19810596

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{151}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 51897664

約数和(自身を除く): 32087068

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 78, 87, 116, 151, 156, 174, 302, 348, 377, 453, 604, 754, 841, 906, 1131, 1508, 1682, 1812, 1963, 2262, 2523, 3364, 3926, 4379, 4524, 5046, 5889, 7852, 8758, 10092, 10933, 11778, 13137, 17516, 21866, 23556, 26274, 32799, 43732, 52548, 56927, 65598, 113854, 126991, 131196, 170781, 227708, 253982, 341562, 380973, 507964, 683124, 761946, 1523892, 1650883, 3301766, 4952649, 6603532, 9905298, 19810596]

約数ペア:

[(1, 19810596), (2, 9905298), (3, 6603532), (4, 4952649), (6, 3301766), (12, 1650883), (13, 1523892), (26, 761946), (29, 683124), (39, 507964), (52, 380973), (58, 341562), (78, 253982), (87, 227708), (116, 170781), (151, 131196), (156, 126991), (174, 113854), (302, 65598), (348, 56927), (377, 52548), (453, 43732), (604, 32799), (754, 26274), (841, 23556), (906, 21866), (1131, 17516), (1508, 13137), (1682, 11778), (1812, 10933), (1963, 10092), (2262, 8758), (2523, 7852), (3364, 5889), (3926, 5046), (4379, 4524)]