19511700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{5003}}^1$

素因数の和:5033

約数の個数: 72

約数和(自身を含む): 60808608

約数和(自身を除く): 41296908

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, 5003, 10006, 15009, 20012, 25015, 30018, 50030, 60036, 65039, 75045, 100060, 125075, 130078, 150090, 195117, 250150, 260156, 300180, 325195, 375225, 390234, 500300, 650390, 750450, 780468, 975585, 1300780, 1500900, 1625975, 1951170, 3251950, 3902340, 4877925, 6503900, 9755850, 19511700]

約数ペア:

[(1, 19511700), (2, 9755850), (3, 6503900), (4, 4877925), (5, 3902340), (6, 3251950), (10, 1951170), (12, 1625975), (13, 1500900), (15, 1300780), (20, 975585), (25, 780468), (26, 750450), (30, 650390), (39, 500300), (50, 390234), (52, 375225), (60, 325195), (65, 300180), (75, 260156), (78, 250150), (100, 195117), (130, 150090), (150, 130078), (156, 125075), (195, 100060), (260, 75045), (300, 65039), (325, 60036), (390, 50030), (650, 30018), (780, 25015), (975, 20012), (1300, 15009), (1950, 10006), (3900, 5003)]