19156777380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{221261}}^1$

素因数の和:221326

約数の個数: 144

約数和(自身を含む): 64270415664

約数和(自身を除く): 45113638284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 37, 39, 45, 52, 60, 65, 74, 78, 90, 111, 117, 130, 148, 156, 180, 185, 195, 222, 234, 260, 333, 370, 390, 444, 468, 481, 555, 585, 666, 740, 780, 962, 1110, 1170, 1332, 1443, 1665, 1924, 2220, 2340, 2405, 2886, 3330, 4329, 4810, 5772, 6660, 7215, 8658, 9620, 14430, 17316, 21645, 28860, 43290, 86580, 221261, 442522, 663783, 885044, 1106305, 1327566, 1991349, 2212610, 2655132, 2876393, 3318915, 3982698, 4425220, 5752786, 6637830, 7965396, 8186657, 8629179, 9956745, 11505572, 13275660, 14381965, 16373314, 17258358, 19913490, 24559971, 25887537, 28763930, 32746628, 34516716, 39826980, 40933285, 43145895, 49119942, 51775074, 57527860, 73679913, 81866570, 86291790, 98239884, 103550148, 106426541, 122799855, 129437685, 147359826, 163733140, 172583580, 212853082, 245599710, 258875370, 294719652, 319279623, 368399565, 425706164, 491199420, 517750740, 532132705, 638559246, 736799130, 957838869, 1064265410, 1277118492, 1473598260, 1596398115, 1915677738, 2128530820, 3192796230, 3831355476, 4789194345, 6385592460, 9578388690, 19156777380]

約数ペア:

[(1, 19156777380), (2, 9578388690), (3, 6385592460), (4, 4789194345), (5, 3831355476), (6, 3192796230), (9, 2128530820), (10, 1915677738), (12, 1596398115), (13, 1473598260), (15, 1277118492), (18, 1064265410), (20, 957838869), (26, 736799130), (30, 638559246), (36, 532132705), (37, 517750740), (39, 491199420), (45, 425706164), (52, 368399565), (60, 319279623), (65, 294719652), (74, 258875370), (78, 245599710), (90, 212853082), (111, 172583580), (117, 163733140), (130, 147359826), (148, 129437685), (156, 122799855), (180, 106426541), (185, 103550148), (195, 98239884), (222, 86291790), (234, 81866570), (260, 73679913), (333, 57527860), (370, 51775074), (390, 49119942), (444, 43145895), (468, 40933285), (481, 39826980), (555, 34516716), (585, 32746628), (666, 28763930), (740, 25887537), (780, 24559971), (962, 19913490), (1110, 17258358), (1170, 16373314), (1332, 14381965), (1443, 13275660), (1665, 11505572), (1924, 9956745), (2220, 8629179), (2340, 8186657), (2405, 7965396), (2886, 6637830), (3330, 5752786), (4329, 4425220), (4810, 3982698), (5772, 3318915), (6660, 2876393), (7215, 2655132), (8658, 2212610), (9620, 1991349), (14430, 1327566), (17316, 1106305), (21645, 885044), (28860, 663783), (43290, 442522), (86580, 221261)]