19916750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 44928000

約数和(自身を除く): 25011250

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 70, 95, 125, 133, 175, 190, 250, 266, 350, 475, 599, 665, 875, 950, 1198, 1330, 1750, 2375, 2995, 3325, 4193, 4750, 5990, 6650, 8386, 11381, 14975, 16625, 20965, 22762, 29950, 33250, 41930, 56905, 74875, 79667, 104825, 113810, 149750, 159334, 209650, 284525, 398335, 524125, 569050, 796670, 1048250, 1422625, 1991675, 2845250, 3983350, 9958375, 19916750]

約数ペア:

[(1, 19916750), (2, 9958375), (5, 3983350), (7, 2845250), (10, 1991675), (14, 1422625), (19, 1048250), (25, 796670), (35, 569050), (38, 524125), (50, 398335), (70, 284525), (95, 209650), (125, 159334), (133, 149750), (175, 113810), (190, 104825), (250, 79667), (266, 74875), (350, 56905), (475, 41930), (599, 33250), (665, 29950), (875, 22762), (950, 20965), (1198, 16625), (1330, 14975), (1750, 11381), (2375, 8386), (2995, 6650), (3325, 5990), (4193, 4750)]