18530460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7919}}^1$

素因数の和:7947

約数の個数: 72

約数和(自身を含む): 60540480

約数和(自身を除く): 42010020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 7919, 15838, 23757, 31676, 39595, 47514, 71271, 79190, 95028, 102947, 118785, 142542, 158380, 205894, 237570, 285084, 308841, 356355, 411788, 475140, 514735, 617682, 712710, 926523, 1029470, 1235364, 1425420, 1544205, 1853046, 2058940, 3088410, 3706092, 4632615, 6176820, 9265230, 18530460]

約数ペア:

[(1, 18530460), (2, 9265230), (3, 6176820), (4, 4632615), (5, 3706092), (6, 3088410), (9, 2058940), (10, 1853046), (12, 1544205), (13, 1425420), (15, 1235364), (18, 1029470), (20, 926523), (26, 712710), (30, 617682), (36, 514735), (39, 475140), (45, 411788), (52, 356355), (60, 308841), (65, 285084), (78, 237570), (90, 205894), (117, 158380), (130, 142542), (156, 118785), (180, 102947), (195, 95028), (234, 79190), (260, 71271), (390, 47514), (468, 39595), (585, 31676), (780, 23757), (1170, 15838), (2340, 7919)]