19404364

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1039}}^1$

素因数の和:1102

約数の個数: 48

約数和(自身を含む): 41932800

約数和(自身を除く): 22528436

約数列:

[1, 2, 4, 7, 14, 23, 28, 29, 46, 58, 92, 116, 161, 203, 322, 406, 644, 667, 812, 1039, 1334, 2078, 2668, 4156, 4669, 7273, 9338, 14546, 18676, 23897, 29092, 30131, 47794, 60262, 95588, 120524, 167279, 210917, 334558, 421834, 669116, 693013, 843668, 1386026, 2772052, 4851091, 9702182, 19404364]

約数ペア:

[(1, 19404364), (2, 9702182), (4, 4851091), (7, 2772052), (14, 1386026), (23, 843668), (28, 693013), (29, 669116), (46, 421834), (58, 334558), (92, 210917), (116, 167279), (161, 120524), (203, 95588), (322, 60262), (406, 47794), (644, 30131), (667, 29092), (812, 23897), (1039, 18676), (1334, 14546), (2078, 9338), (2668, 7273), (4156, 4669)]