19177840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:111

約数の個数: 160

約数和(自身を含む): 54282240

約数和(自身を除く): 35104400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 31, 37, 38, 40, 44, 55, 62, 74, 76, 80, 88, 95, 110, 124, 148, 152, 155, 176, 185, 190, 209, 220, 248, 296, 304, 310, 341, 370, 380, 407, 418, 440, 496, 589, 592, 620, 682, 703, 740, 760, 814, 836, 880, 1045, 1147, 1178, 1240, 1364, 1406, 1480, 1520, 1628, 1672, 1705, 2035, 2090, 2294, 2356, 2480, 2728, 2812, 2945, 2960, 3256, 3344, 3410, 3515, 4070, 4180, 4588, 4712, 5456, 5624, 5735, 5890, 6479, 6512, 6820, 7030, 7733, 8140, 8360, 9176, 9424, 11248, 11470, 11780, 12617, 12958, 13640, 14060, 15466, 16280, 16720, 18352, 21793, 22940, 23560, 25234, 25916, 27280, 28120, 30932, 32395, 32560, 38665, 43586, 45880, 47120, 50468, 51832, 56240, 61864, 63085, 64790, 77330, 87172, 91760, 100936, 103664, 108965, 123728, 126170, 129580, 154660, 174344, 201872, 217930, 239723, 252340, 259160, 309320, 348688, 435860, 479446, 504680, 518320, 618640, 871720, 958892, 1009360, 1198615, 1743440, 1917784, 2397230, 3835568, 4794460, 9588920, 19177840]

約数ペア:

[(1, 19177840), (2, 9588920), (4, 4794460), (5, 3835568), (8, 2397230), (10, 1917784), (11, 1743440), (16, 1198615), (19, 1009360), (20, 958892), (22, 871720), (31, 618640), (37, 518320), (38, 504680), (40, 479446), (44, 435860), (55, 348688), (62, 309320), (74, 259160), (76, 252340), (80, 239723), (88, 217930), (95, 201872), (110, 174344), (124, 154660), (148, 129580), (152, 126170), (155, 123728), (176, 108965), (185, 103664), (190, 100936), (209, 91760), (220, 87172), (248, 77330), (296, 64790), (304, 63085), (310, 61864), (341, 56240), (370, 51832), (380, 50468), (407, 47120), (418, 45880), (440, 43586), (496, 38665), (589, 32560), (592, 32395), (620, 30932), (682, 28120), (703, 27280), (740, 25916), (760, 25234), (814, 23560), (836, 22940), (880, 21793), (1045, 18352), (1147, 16720), (1178, 16280), (1240, 15466), (1364, 14060), (1406, 13640), (1480, 12958), (1520, 12617), (1628, 11780), (1672, 11470), (1705, 11248), (2035, 9424), (2090, 9176), (2294, 8360), (2356, 8140), (2480, 7733), (2728, 7030), (2812, 6820), (2945, 6512), (2960, 6479), (3256, 5890), (3344, 5735), (3410, 5624), (3515, 5456), (4070, 4712), (4180, 4588)]