19474590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 48771072

約数和(自身を除く): 29296482

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 71, 82, 123, 142, 205, 213, 223, 246, 355, 410, 426, 446, 615, 669, 710, 1065, 1115, 1230, 1338, 2130, 2230, 2911, 3345, 5822, 6690, 8733, 9143, 14555, 15833, 17466, 18286, 27429, 29110, 31666, 43665, 45715, 47499, 54858, 79165, 87330, 91430, 94998, 137145, 158330, 237495, 274290, 474990, 649153, 1298306, 1947459, 3245765, 3894918, 6491530, 9737295, 19474590]

約数ペア:

[(1, 19474590), (2, 9737295), (3, 6491530), (5, 3894918), (6, 3245765), (10, 1947459), (15, 1298306), (30, 649153), (41, 474990), (71, 274290), (82, 237495), (123, 158330), (142, 137145), (205, 94998), (213, 91430), (223, 87330), (246, 79165), (355, 54858), (410, 47499), (426, 45715), (446, 43665), (615, 31666), (669, 29110), (710, 27429), (1065, 18286), (1115, 17466), (1230, 15833), (1338, 14555), (2130, 9143), (2230, 8733), (2911, 6690), (3345, 5822)]