18347940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7841}}^1$

素因数の和:7869

約数の個数: 72

約数和(自身を含む): 59944248

約数和(自身を除く): 41596308

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, 7841, 15682, 23523, 31364, 39205, 47046, 70569, 78410, 94092, 101933, 117615, 141138, 156820, 203866, 235230, 282276, 305799, 352845, 407732, 470460, 509665, 611598, 705690, 917397, 1019330, 1223196, 1411380, 1528995, 1834794, 2038660, 3057990, 3669588, 4586985, 6115980, 9173970, 18347940]

約数ペア:

[(1, 18347940), (2, 9173970), (3, 6115980), (4, 4586985), (5, 3669588), (6, 3057990), (9, 2038660), (10, 1834794), (12, 1528995), (13, 1411380), (15, 1223196), (18, 1019330), (20, 917397), (26, 705690), (30, 611598), (36, 509665), (39, 470460), (45, 407732), (52, 352845), (60, 305799), (65, 282276), (78, 235230), (90, 203866), (117, 156820), (130, 141138), (156, 117615), (180, 101933), (195, 94092), (234, 78410), (260, 70569), (390, 47046), (468, 39205), (585, 31364), (780, 23523), (1170, 15682), (2340, 7841)]