19161618

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 47443968

約数和(自身を除く): 28282350

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 47, 51, 94, 102, 119, 141, 238, 282, 329, 357, 571, 658, 714, 799, 987, 1142, 1598, 1713, 1974, 2397, 3426, 3997, 4794, 5593, 7994, 9707, 11186, 11991, 16779, 19414, 23982, 26837, 29121, 33558, 53674, 58242, 67949, 80511, 135898, 161022, 187859, 203847, 375718, 407694, 456229, 563577, 912458, 1127154, 1368687, 2737374, 3193603, 6387206, 9580809, 19161618]

約数ペア:

[(1, 19161618), (2, 9580809), (3, 6387206), (6, 3193603), (7, 2737374), (14, 1368687), (17, 1127154), (21, 912458), (34, 563577), (42, 456229), (47, 407694), (51, 375718), (94, 203847), (102, 187859), (119, 161022), (141, 135898), (238, 80511), (282, 67949), (329, 58242), (357, 53674), (571, 33558), (658, 29121), (714, 26837), (799, 23982), (987, 19414), (1142, 16779), (1598, 11991), (1713, 11186), (1974, 9707), (2397, 7994), (3426, 5593), (3997, 4794)]