19835660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:183

約数の個数: 96

約数和(自身を含む): 48771072

約数和(自身を除く): 28935412

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 31, 46, 52, 62, 65, 92, 107, 115, 124, 130, 155, 214, 230, 260, 299, 310, 403, 428, 460, 535, 598, 620, 713, 806, 1070, 1196, 1391, 1426, 1495, 1612, 2015, 2140, 2461, 2782, 2852, 2990, 3317, 3565, 4030, 4922, 5564, 5980, 6634, 6955, 7130, 8060, 9269, 9844, 12305, 13268, 13910, 14260, 16585, 18538, 24610, 27820, 31993, 33170, 37076, 43121, 46345, 49220, 63986, 66340, 76291, 86242, 92690, 127972, 152582, 159965, 172484, 185380, 215605, 305164, 319930, 381455, 431210, 639860, 762910, 862420, 991783, 1525820, 1983566, 3967132, 4958915, 9917830, 19835660]

約数ペア:

[(1, 19835660), (2, 9917830), (4, 4958915), (5, 3967132), (10, 1983566), (13, 1525820), (20, 991783), (23, 862420), (26, 762910), (31, 639860), (46, 431210), (52, 381455), (62, 319930), (65, 305164), (92, 215605), (107, 185380), (115, 172484), (124, 159965), (130, 152582), (155, 127972), (214, 92690), (230, 86242), (260, 76291), (299, 66340), (310, 63986), (403, 49220), (428, 46345), (460, 43121), (535, 37076), (598, 33170), (620, 31993), (713, 27820), (806, 24610), (1070, 18538), (1196, 16585), (1391, 14260), (1426, 13910), (1495, 13268), (1612, 12305), (2015, 9844), (2140, 9269), (2461, 8060), (2782, 7130), (2852, 6955), (2990, 6634), (3317, 5980), (3565, 5564), (4030, 4922)]