19556108

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 21086452

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 179, 191, 286, 358, 382, 572, 716, 764, 1969, 2101, 2327, 2483, 3938, 4202, 4654, 4966, 7876, 8404, 9308, 9932, 25597, 27313, 34189, 51194, 54626, 68378, 102388, 109252, 136756, 376079, 444457, 752158, 888914, 1504316, 1777828, 4889027, 9778054, 19556108]

約数ペア:

[(1, 19556108), (2, 9778054), (4, 4889027), (11, 1777828), (13, 1504316), (22, 888914), (26, 752158), (44, 444457), (52, 376079), (143, 136756), (179, 109252), (191, 102388), (286, 68378), (358, 54626), (382, 51194), (572, 34189), (716, 27313), (764, 25597), (1969, 9932), (2101, 9308), (2327, 8404), (2483, 7876), (3938, 4966), (4202, 4654)]