19394804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{827}}^1$

素因数の和:896

約数の個数: 48

約数和(自身を含む): 40896576

約数和(自身を除く): 21501772

約数列:

[1, 2, 4, 11, 13, 22, 26, 41, 44, 52, 82, 143, 164, 286, 451, 533, 572, 827, 902, 1066, 1654, 1804, 2132, 3308, 5863, 9097, 10751, 11726, 18194, 21502, 23452, 33907, 36388, 43004, 67814, 118261, 135628, 236522, 372977, 440791, 473044, 745954, 881582, 1491908, 1763164, 4848701, 9697402, 19394804]

約数ペア:

[(1, 19394804), (2, 9697402), (4, 4848701), (11, 1763164), (13, 1491908), (22, 881582), (26, 745954), (41, 473044), (44, 440791), (52, 372977), (82, 236522), (143, 135628), (164, 118261), (286, 67814), (451, 43004), (533, 36388), (572, 33907), (827, 23452), (902, 21502), (1066, 18194), (1654, 11726), (1804, 10751), (2132, 9097), (3308, 5863)]