18145850

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:575

約数の個数: 48

約数和(自身を含む): 36426240

約数和(自身を除く): 18280390

約数列:

[1, 2, 5, 10, 23, 25, 31, 46, 50, 62, 115, 155, 230, 310, 509, 575, 713, 775, 1018, 1150, 1426, 1550, 2545, 3565, 5090, 7130, 11707, 12725, 15779, 17825, 23414, 25450, 31558, 35650, 58535, 78895, 117070, 157790, 292675, 362917, 394475, 585350, 725834, 788950, 1814585, 3629170, 9072925, 18145850]

約数ペア:

[(1, 18145850), (2, 9072925), (5, 3629170), (10, 1814585), (23, 788950), (25, 725834), (31, 585350), (46, 394475), (50, 362917), (62, 292675), (115, 157790), (155, 117070), (230, 78895), (310, 58535), (509, 35650), (575, 31558), (713, 25450), (775, 23414), (1018, 17825), (1150, 15779), (1426, 12725), (1550, 11707), (2545, 7130), (3565, 5090)]