18997650

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:225

約数の個数: 144

約数和(自身を含む): 60275904

約数和(自身を除く): 41278254

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 37, 42, 45, 50, 63, 70, 74, 75, 90, 105, 111, 126, 150, 163, 175, 185, 210, 222, 225, 259, 315, 326, 333, 350, 370, 450, 489, 518, 525, 555, 630, 666, 777, 815, 925, 978, 1050, 1110, 1141, 1295, 1467, 1554, 1575, 1630, 1665, 1850, 2282, 2331, 2445, 2590, 2775, 2934, 3150, 3330, 3423, 3885, 4075, 4662, 4890, 5550, 5705, 6031, 6475, 6846, 7335, 7770, 8150, 8325, 10269, 11410, 11655, 12062, 12225, 12950, 14670, 16650, 17115, 18093, 19425, 20538, 23310, 24450, 28525, 30155, 34230, 36186, 36675, 38850, 42217, 51345, 54279, 57050, 58275, 60310, 73350, 84434, 85575, 90465, 102690, 108558, 116550, 126651, 150775, 171150, 180930, 211085, 253302, 256725, 271395, 301550, 379953, 422170, 452325, 513450, 542790, 633255, 759906, 904650, 1055425, 1266510, 1356975, 1899765, 2110850, 2713950, 3166275, 3799530, 6332550, 9498825, 18997650]

約数ペア:

[(1, 18997650), (2, 9498825), (3, 6332550), (5, 3799530), (6, 3166275), (7, 2713950), (9, 2110850), (10, 1899765), (14, 1356975), (15, 1266510), (18, 1055425), (21, 904650), (25, 759906), (30, 633255), (35, 542790), (37, 513450), (42, 452325), (45, 422170), (50, 379953), (63, 301550), (70, 271395), (74, 256725), (75, 253302), (90, 211085), (105, 180930), (111, 171150), (126, 150775), (150, 126651), (163, 116550), (175, 108558), (185, 102690), (210, 90465), (222, 85575), (225, 84434), (259, 73350), (315, 60310), (326, 58275), (333, 57050), (350, 54279), (370, 51345), (450, 42217), (489, 38850), (518, 36675), (525, 36186), (555, 34230), (630, 30155), (666, 28525), (777, 24450), (815, 23310), (925, 20538), (978, 19425), (1050, 18093), (1110, 17115), (1141, 16650), (1295, 14670), (1467, 12950), (1554, 12225), (1575, 12062), (1630, 11655), (1665, 11410), (1850, 10269), (2282, 8325), (2331, 8150), (2445, 7770), (2590, 7335), (2775, 6846), (2934, 6475), (3150, 6031), (3330, 5705), (3423, 5550), (3885, 4890), (4075, 4662)]