18148515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{827}}^1$

素因数の和:872

約数の個数: 64

約数和(自身を含む): 38154240

約数和(自身を除く): 20005725

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 33, 35, 55, 57, 77, 95, 105, 133, 165, 209, 231, 285, 385, 399, 627, 665, 827, 1045, 1155, 1463, 1995, 2481, 3135, 4135, 4389, 5789, 7315, 9097, 12405, 15713, 17367, 21945, 27291, 28945, 45485, 47139, 63679, 78565, 86835, 109991, 136455, 172843, 191037, 235695, 318395, 329973, 518529, 549955, 864215, 955185, 1209901, 1649865, 2592645, 3629703, 6049505, 18148515]

約数ペア:

[(1, 18148515), (3, 6049505), (5, 3629703), (7, 2592645), (11, 1649865), (15, 1209901), (19, 955185), (21, 864215), (33, 549955), (35, 518529), (55, 329973), (57, 318395), (77, 235695), (95, 191037), (105, 172843), (133, 136455), (165, 109991), (209, 86835), (231, 78565), (285, 63679), (385, 47139), (399, 45485), (627, 28945), (665, 27291), (827, 21945), (1045, 17367), (1155, 15713), (1463, 12405), (1995, 9097), (2481, 7315), (3135, 5789), (4135, 4389)]