18780989808

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{55895803}}^1$

素因数の和:55895821

約数の個数: 40

約数和(自身を含む): 55448637568

約数和(自身を除く): 36667647760

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 55895803, 111791606, 167687409, 223583212, 335374818, 391270621, 447166424, 670749636, 782541242, 894332848, 1173811863, 1341499272, 1565082484, 2347623726, 2682998544, 3130164968, 4695247452, 6260329936, 9390494904, 18780989808]

約数ペア:

[(1, 18780989808), (2, 9390494904), (3, 6260329936), (4, 4695247452), (6, 3130164968), (7, 2682998544), (8, 2347623726), (12, 1565082484), (14, 1341499272), (16, 1173811863), (21, 894332848), (24, 782541242), (28, 670749636), (42, 447166424), (48, 391270621), (56, 335374818), (84, 223583212), (112, 167687409), (168, 111791606), (336, 55895803)]