19145100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4909}}^1$

素因数の和:4939

約数の個数: 72

約数和(自身を含む): 59666320

約数和(自身を除く): 40521220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 4909, 9818, 14727, 19636, 24545, 29454, 49090, 58908, 63817, 73635, 98180, 122725, 127634, 147270, 191451, 245450, 255268, 294540, 319085, 368175, 382902, 490900, 638170, 736350, 765804, 957255, 1276340, 1472700, 1595425, 1914510, 3190850, 3829020, 4786275, 6381700, 9572550, 19145100]

約数ペア:

[(1, 19145100), (2, 9572550), (3, 6381700), (4, 4786275), (5, 3829020), (6, 3190850), (10, 1914510), (12, 1595425), (13, 1472700), (15, 1276340), (20, 957255), (25, 765804), (26, 736350), (30, 638170), (39, 490900), (50, 382902), (52, 368175), (60, 319085), (65, 294540), (75, 255268), (78, 245450), (100, 191451), (130, 147270), (150, 127634), (156, 122725), (195, 98180), (260, 73635), (300, 63817), (325, 58908), (390, 49090), (650, 29454), (780, 24545), (975, 19636), (1300, 14727), (1950, 9818), (3900, 4909)]