19109940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4363}}^1$

素因数の和:4448

約数の個数: 48

約数和(自身を含む): 54253248

約数和(自身を除く): 35143308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4363, 4380, 8726, 13089, 17452, 21815, 26178, 43630, 52356, 65445, 87260, 130890, 261780, 318499, 636998, 955497, 1273996, 1592495, 1910994, 3184990, 3821988, 4777485, 6369980, 9554970, 19109940]

約数ペア:

[(1, 19109940), (2, 9554970), (3, 6369980), (4, 4777485), (5, 3821988), (6, 3184990), (10, 1910994), (12, 1592495), (15, 1273996), (20, 955497), (30, 636998), (60, 318499), (73, 261780), (146, 130890), (219, 87260), (292, 65445), (365, 52356), (438, 43630), (730, 26178), (876, 21815), (1095, 17452), (1460, 13089), (2190, 8726), (4363, 4380)]