18220410

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:237

約数の個数: 128

約数和(自身を含む): 54432000

約数和(自身を除く): 36211590

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 29, 30, 39, 45, 54, 58, 65, 78, 87, 90, 117, 130, 135, 145, 174, 179, 195, 234, 261, 270, 290, 351, 358, 377, 390, 435, 522, 537, 585, 702, 754, 783, 870, 895, 1074, 1131, 1170, 1305, 1566, 1611, 1755, 1790, 1885, 2262, 2327, 2610, 2685, 3222, 3393, 3510, 3770, 3915, 4654, 4833, 5191, 5370, 5655, 6786, 6981, 7830, 8055, 9666, 10179, 10382, 11310, 11635, 13962, 15573, 16110, 16965, 20358, 20943, 23270, 24165, 25955, 31146, 33930, 34905, 41886, 46719, 48330, 50895, 51910, 62829, 67483, 69810, 77865, 93438, 101790, 104715, 125658, 134966, 140157, 155730, 202449, 209430, 233595, 280314, 314145, 337415, 404898, 467190, 607347, 628290, 674830, 700785, 1012245, 1214694, 1401570, 1822041, 2024490, 3036735, 3644082, 6073470, 9110205, 18220410]

約数ペア:

[(1, 18220410), (2, 9110205), (3, 6073470), (5, 3644082), (6, 3036735), (9, 2024490), (10, 1822041), (13, 1401570), (15, 1214694), (18, 1012245), (26, 700785), (27, 674830), (29, 628290), (30, 607347), (39, 467190), (45, 404898), (54, 337415), (58, 314145), (65, 280314), (78, 233595), (87, 209430), (90, 202449), (117, 155730), (130, 140157), (135, 134966), (145, 125658), (174, 104715), (179, 101790), (195, 93438), (234, 77865), (261, 69810), (270, 67483), (290, 62829), (351, 51910), (358, 50895), (377, 48330), (390, 46719), (435, 41886), (522, 34905), (537, 33930), (585, 31146), (702, 25955), (754, 24165), (783, 23270), (870, 20943), (895, 20358), (1074, 16965), (1131, 16110), (1170, 15573), (1305, 13962), (1566, 11635), (1611, 11310), (1755, 10382), (1790, 10179), (1885, 9666), (2262, 8055), (2327, 7830), (2610, 6981), (2685, 6786), (3222, 5655), (3393, 5370), (3510, 5191), (3770, 4833), (3915, 4654)]