19636048

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:895

約数の個数: 40

約数和(自身を含む): 40075560

約数和(自身を除く): 20439512

約数列:

[1, 2, 4, 8, 16, 37, 41, 74, 82, 148, 164, 296, 328, 592, 656, 809, 1517, 1618, 3034, 3236, 6068, 6472, 12136, 12944, 24272, 29933, 33169, 59866, 66338, 119732, 132676, 239464, 265352, 478928, 530704, 1227253, 2454506, 4909012, 9818024, 19636048]

約数ペア:

[(1, 19636048), (2, 9818024), (4, 4909012), (8, 2454506), (16, 1227253), (37, 530704), (41, 478928), (74, 265352), (82, 239464), (148, 132676), (164, 119732), (296, 66338), (328, 59866), (592, 33169), (656, 29933), (809, 24272), (1517, 12944), (1618, 12136), (3034, 6472), (3236, 6068)]