19387160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1621}}^1$

素因数の和:1668

約数の個数: 64

約数和(自身を含む): 49049280

約数和(自身を除く): 29662120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 1621, 2392, 2990, 3242, 5980, 6484, 8105, 11960, 12968, 16210, 21073, 32420, 37283, 42146, 64840, 74566, 84292, 105365, 149132, 168584, 186415, 210730, 298264, 372830, 421460, 484679, 745660, 842920, 969358, 1491320, 1938716, 2423395, 3877432, 4846790, 9693580, 19387160]

約数ペア:

[(1, 19387160), (2, 9693580), (4, 4846790), (5, 3877432), (8, 2423395), (10, 1938716), (13, 1491320), (20, 969358), (23, 842920), (26, 745660), (40, 484679), (46, 421460), (52, 372830), (65, 298264), (92, 210730), (104, 186415), (115, 168584), (130, 149132), (184, 105365), (230, 84292), (260, 74566), (299, 64840), (460, 42146), (520, 37283), (598, 32420), (920, 21073), (1196, 16210), (1495, 12968), (1621, 11960), (2392, 8105), (2990, 6484), (3242, 5980)]