19883370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2999}}^1$

素因数の和:3039

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 34548630

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 2999, 3315, 5998, 6630, 8997, 14995, 17994, 29990, 38987, 44985, 50983, 77974, 89970, 101966, 116961, 152949, 194935, 233922, 254915, 305898, 389870, 509830, 584805, 662779, 764745, 1169610, 1325558, 1529490, 1988337, 3313895, 3976674, 6627790, 9941685, 19883370]

約数ペア:

[(1, 19883370), (2, 9941685), (3, 6627790), (5, 3976674), (6, 3313895), (10, 1988337), (13, 1529490), (15, 1325558), (17, 1169610), (26, 764745), (30, 662779), (34, 584805), (39, 509830), (51, 389870), (65, 305898), (78, 254915), (85, 233922), (102, 194935), (130, 152949), (170, 116961), (195, 101966), (221, 89970), (255, 77974), (390, 50983), (442, 44985), (510, 38987), (663, 29990), (1105, 17994), (1326, 14995), (2210, 8997), (2999, 6630), (3315, 5998)]