19089980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{617}}^1$

素因数の和:663

約数の個数: 96

約数和(自身を含む): 52327296

約数和(自身を除く): 33237316

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 170, 182, 221, 238, 260, 340, 364, 442, 455, 476, 595, 617, 884, 910, 1105, 1190, 1234, 1547, 1820, 2210, 2380, 2468, 3085, 3094, 4319, 4420, 6170, 6188, 7735, 8021, 8638, 10489, 12340, 15470, 16042, 17276, 20978, 21595, 30940, 32084, 40105, 41956, 43190, 52445, 56147, 73423, 80210, 86380, 104890, 112294, 136357, 146846, 160420, 209780, 224588, 272714, 280735, 293692, 367115, 545428, 561470, 681785, 734230, 954499, 1122940, 1363570, 1468460, 1908998, 2727140, 3817996, 4772495, 9544990, 19089980]

約数ペア:

[(1, 19089980), (2, 9544990), (4, 4772495), (5, 3817996), (7, 2727140), (10, 1908998), (13, 1468460), (14, 1363570), (17, 1122940), (20, 954499), (26, 734230), (28, 681785), (34, 561470), (35, 545428), (52, 367115), (65, 293692), (68, 280735), (70, 272714), (85, 224588), (91, 209780), (119, 160420), (130, 146846), (140, 136357), (170, 112294), (182, 104890), (221, 86380), (238, 80210), (260, 73423), (340, 56147), (364, 52445), (442, 43190), (455, 41956), (476, 40105), (595, 32084), (617, 30940), (884, 21595), (910, 20978), (1105, 17276), (1190, 16042), (1234, 15470), (1547, 12340), (1820, 10489), (2210, 8638), (2380, 8021), (2468, 7735), (3085, 6188), (3094, 6170), (4319, 4420)]