19893804

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1471}}^1$

素因数の和:1515

約数の個数: 72

約数和(自身を含む): 56383488

約数和(自身を除く): 36489684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 49, 69, 84, 92, 98, 138, 147, 161, 196, 276, 294, 322, 483, 588, 644, 966, 1127, 1471, 1932, 2254, 2942, 3381, 4413, 4508, 5884, 6762, 8826, 10297, 13524, 17652, 20594, 30891, 33833, 41188, 61782, 67666, 72079, 101499, 123564, 135332, 144158, 202998, 216237, 236831, 288316, 405996, 432474, 473662, 710493, 864948, 947324, 1420986, 1657817, 2841972, 3315634, 4973451, 6631268, 9946902, 19893804]

約数ペア:

[(1, 19893804), (2, 9946902), (3, 6631268), (4, 4973451), (6, 3315634), (7, 2841972), (12, 1657817), (14, 1420986), (21, 947324), (23, 864948), (28, 710493), (42, 473662), (46, 432474), (49, 405996), (69, 288316), (84, 236831), (92, 216237), (98, 202998), (138, 144158), (147, 135332), (161, 123564), (196, 101499), (276, 72079), (294, 67666), (322, 61782), (483, 41188), (588, 33833), (644, 30891), (966, 20594), (1127, 17652), (1471, 13524), (1932, 10297), (2254, 8826), (2942, 6762), (3381, 5884), (4413, 4508)]