19438860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1493}}^1$

素因数の和:1543

約数の個数: 96

約数和(自身を含む): 64253952

約数和(自身を除く): 44815092

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1493, 1860, 2170, 2604, 2986, 3255, 4340, 4479, 5972, 6510, 7465, 8958, 10451, 13020, 14930, 17916, 20902, 22395, 29860, 31353, 41804, 44790, 46283, 52255, 62706, 89580, 92566, 104510, 125412, 138849, 156765, 185132, 209020, 231415, 277698, 313530, 323981, 462830, 555396, 627060, 647962, 694245, 925660, 971943, 1295924, 1388490, 1619905, 1943886, 2776980, 3239810, 3887772, 4859715, 6479620, 9719430, 19438860]

約数ペア:

[(1, 19438860), (2, 9719430), (3, 6479620), (4, 4859715), (5, 3887772), (6, 3239810), (7, 2776980), (10, 1943886), (12, 1619905), (14, 1388490), (15, 1295924), (20, 971943), (21, 925660), (28, 694245), (30, 647962), (31, 627060), (35, 555396), (42, 462830), (60, 323981), (62, 313530), (70, 277698), (84, 231415), (93, 209020), (105, 185132), (124, 156765), (140, 138849), (155, 125412), (186, 104510), (210, 92566), (217, 89580), (310, 62706), (372, 52255), (420, 46283), (434, 44790), (465, 41804), (620, 31353), (651, 29860), (868, 22395), (930, 20902), (1085, 17916), (1302, 14930), (1493, 13020), (1860, 10451), (2170, 8958), (2604, 7465), (2986, 6510), (3255, 5972), (4340, 4479)]