19727766

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 45800640

約数和(自身を除く): 26072874

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 61, 106, 113, 122, 159, 183, 226, 318, 339, 366, 477, 549, 678, 954, 1017, 1098, 1431, 1647, 2034, 2862, 3051, 3233, 3294, 5989, 6102, 6466, 6893, 9699, 11978, 13786, 17967, 19398, 20679, 29097, 35934, 41358, 53901, 58194, 62037, 87291, 107802, 124074, 161703, 174582, 186111, 323406, 365329, 372222, 730658, 1095987, 2191974, 3287961, 6575922, 9863883, 19727766]

約数ペア:

[(1, 19727766), (2, 9863883), (3, 6575922), (6, 3287961), (9, 2191974), (18, 1095987), (27, 730658), (53, 372222), (54, 365329), (61, 323406), (106, 186111), (113, 174582), (122, 161703), (159, 124074), (183, 107802), (226, 87291), (318, 62037), (339, 58194), (366, 53901), (477, 41358), (549, 35934), (678, 29097), (954, 20679), (1017, 19398), (1098, 17967), (1431, 13786), (1647, 11978), (2034, 9699), (2862, 6893), (3051, 6466), (3233, 6102), (3294, 5989)]