18447540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7499}}^1$

素因数の和:7552

約数の個数: 48

約数和(自身を含む): 52920000

約数和(自身を除く): 34472460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 7499, 14998, 22497, 29996, 37495, 44994, 74990, 89988, 112485, 149980, 224970, 307459, 449940, 614918, 922377, 1229836, 1537295, 1844754, 3074590, 3689508, 4611885, 6149180, 9223770, 18447540]

約数ペア:

[(1, 18447540), (2, 9223770), (3, 6149180), (4, 4611885), (5, 3689508), (6, 3074590), (10, 1844754), (12, 1537295), (15, 1229836), (20, 922377), (30, 614918), (41, 449940), (60, 307459), (82, 224970), (123, 149980), (164, 112485), (205, 89988), (246, 74990), (410, 44994), (492, 37495), (615, 29996), (820, 22497), (1230, 14998), (2460, 7499)]