18277740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 61090848

約数和(自身を除く): 42813108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 73, 78, 90, 107, 117, 130, 146, 156, 180, 195, 214, 219, 234, 260, 292, 321, 365, 390, 428, 438, 468, 535, 585, 642, 657, 730, 780, 876, 949, 963, 1070, 1095, 1170, 1284, 1314, 1391, 1460, 1605, 1898, 1926, 2140, 2190, 2340, 2628, 2782, 2847, 3210, 3285, 3796, 3852, 4173, 4380, 4745, 4815, 5564, 5694, 6420, 6570, 6955, 7811, 8346, 8541, 9490, 9630, 11388, 12519, 13140, 13910, 14235, 15622, 16692, 17082, 18980, 19260, 20865, 23433, 25038, 27820, 28470, 31244, 34164, 39055, 41730, 42705, 46866, 50076, 56940, 62595, 70299, 78110, 83460, 85410, 93732, 101543, 117165, 125190, 140598, 156220, 170820, 203086, 234330, 250380, 281196, 304629, 351495, 406172, 468660, 507715, 609258, 702990, 913887, 1015430, 1218516, 1405980, 1523145, 1827774, 2030860, 3046290, 3655548, 4569435, 6092580, 9138870, 18277740]

約数ペア:

[(1, 18277740), (2, 9138870), (3, 6092580), (4, 4569435), (5, 3655548), (6, 3046290), (9, 2030860), (10, 1827774), (12, 1523145), (13, 1405980), (15, 1218516), (18, 1015430), (20, 913887), (26, 702990), (30, 609258), (36, 507715), (39, 468660), (45, 406172), (52, 351495), (60, 304629), (65, 281196), (73, 250380), (78, 234330), (90, 203086), (107, 170820), (117, 156220), (130, 140598), (146, 125190), (156, 117165), (180, 101543), (195, 93732), (214, 85410), (219, 83460), (234, 78110), (260, 70299), (292, 62595), (321, 56940), (365, 50076), (390, 46866), (428, 42705), (438, 41730), (468, 39055), (535, 34164), (585, 31244), (642, 28470), (657, 27820), (730, 25038), (780, 23433), (876, 20865), (949, 19260), (963, 18980), (1070, 17082), (1095, 16692), (1170, 15622), (1284, 14235), (1314, 13910), (1391, 13140), (1460, 12519), (1605, 11388), (1898, 9630), (1926, 9490), (2140, 8541), (2190, 8346), (2340, 7811), (2628, 6955), (2782, 6570), (2847, 6420), (3210, 5694), (3285, 5564), (3796, 4815), (3852, 4745), (4173, 4380)]