19273890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 48254976

約数和(自身を除く): 28981086

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 67, 86, 129, 134, 201, 215, 223, 258, 335, 402, 430, 446, 645, 669, 670, 1005, 1115, 1290, 1338, 2010, 2230, 2881, 3345, 5762, 6690, 8643, 9589, 14405, 14941, 17286, 19178, 28767, 28810, 29882, 43215, 44823, 47945, 57534, 74705, 86430, 89646, 95890, 143835, 149410, 224115, 287670, 448230, 642463, 1284926, 1927389, 3212315, 3854778, 6424630, 9636945, 19273890]

約数ペア:

[(1, 19273890), (2, 9636945), (3, 6424630), (5, 3854778), (6, 3212315), (10, 1927389), (15, 1284926), (30, 642463), (43, 448230), (67, 287670), (86, 224115), (129, 149410), (134, 143835), (201, 95890), (215, 89646), (223, 86430), (258, 74705), (335, 57534), (402, 47945), (430, 44823), (446, 43215), (645, 29882), (669, 28810), (670, 28767), (1005, 19178), (1115, 17286), (1290, 14941), (1338, 14405), (2010, 9589), (2230, 8643), (2881, 6690), (3345, 5762)]