19221150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9857}}^1$

素因数の和:9885

約数の個数: 48

約数和(自身を含む): 51340464

約数和(自身を除く): 32119314

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 9857, 19714, 29571, 49285, 59142, 98570, 128141, 147855, 246425, 256282, 295710, 384423, 492850, 640705, 739275, 768846, 1281410, 1478550, 1922115, 3203525, 3844230, 6407050, 9610575, 19221150]

約数ペア:

[(1, 19221150), (2, 9610575), (3, 6407050), (5, 3844230), (6, 3203525), (10, 1922115), (13, 1478550), (15, 1281410), (25, 768846), (26, 739275), (30, 640705), (39, 492850), (50, 384423), (65, 295710), (75, 256282), (78, 246425), (130, 147855), (150, 128141), (195, 98570), (325, 59142), (390, 49285), (650, 29571), (975, 19714), (1950, 9857)]