19752456

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 51609600

約数和(自身を除く): 31857144

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 139, 186, 191, 248, 278, 372, 382, 417, 556, 573, 744, 764, 834, 1112, 1146, 1528, 1668, 2292, 3336, 4309, 4584, 5921, 8618, 11842, 12927, 17236, 17763, 23684, 25854, 26549, 34472, 35526, 47368, 51708, 53098, 71052, 79647, 103416, 106196, 142104, 159294, 212392, 318588, 637176, 823019, 1646038, 2469057, 3292076, 4938114, 6584152, 9876228, 19752456]

約数ペア:

[(1, 19752456), (2, 9876228), (3, 6584152), (4, 4938114), (6, 3292076), (8, 2469057), (12, 1646038), (24, 823019), (31, 637176), (62, 318588), (93, 212392), (124, 159294), (139, 142104), (186, 106196), (191, 103416), (248, 79647), (278, 71052), (372, 53098), (382, 51708), (417, 47368), (556, 35526), (573, 34472), (744, 26549), (764, 25854), (834, 23684), (1112, 17763), (1146, 17236), (1528, 12927), (1668, 11842), (2292, 8618), (3336, 5921), (4309, 4584)]