18049980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:415

約数の個数: 96

約数和(自身を含む): 55347264

約数和(自身を除く): 37297284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 73, 78, 130, 146, 156, 195, 219, 260, 292, 317, 365, 390, 438, 634, 730, 780, 876, 949, 951, 1095, 1268, 1460, 1585, 1898, 1902, 2190, 2847, 3170, 3796, 3804, 4121, 4380, 4745, 4755, 5694, 6340, 8242, 9490, 9510, 11388, 12363, 14235, 16484, 18980, 19020, 20605, 23141, 24726, 28470, 41210, 46282, 49452, 56940, 61815, 69423, 82420, 92564, 115705, 123630, 138846, 231410, 247260, 277692, 300833, 347115, 462820, 601666, 694230, 902499, 1203332, 1388460, 1504165, 1804998, 3008330, 3609996, 4512495, 6016660, 9024990, 18049980]

約数ペア:

[(1, 18049980), (2, 9024990), (3, 6016660), (4, 4512495), (5, 3609996), (6, 3008330), (10, 1804998), (12, 1504165), (13, 1388460), (15, 1203332), (20, 902499), (26, 694230), (30, 601666), (39, 462820), (52, 347115), (60, 300833), (65, 277692), (73, 247260), (78, 231410), (130, 138846), (146, 123630), (156, 115705), (195, 92564), (219, 82420), (260, 69423), (292, 61815), (317, 56940), (365, 49452), (390, 46282), (438, 41210), (634, 28470), (730, 24726), (780, 23141), (876, 20605), (949, 19020), (951, 18980), (1095, 16484), (1268, 14235), (1460, 12363), (1585, 11388), (1898, 9510), (1902, 9490), (2190, 8242), (2847, 6340), (3170, 5694), (3796, 4755), (3804, 4745), (4121, 4380)]