19523140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{631}}^1$

素因数の和:677

約数の個数: 96

約数和(自身を含む): 53512704

約数和(自身を除く): 33989564

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, 631, 884, 910, 1105, 1190, 1262, 1547, 1820, 2210, 2380, 2524, 3094, 3155, 4417, 4420, 6188, 6310, 7735, 8203, 8834, 10727, 12620, 15470, 16406, 17668, 21454, 22085, 30940, 32812, 41015, 42908, 44170, 53635, 57421, 75089, 82030, 88340, 107270, 114842, 139451, 150178, 164060, 214540, 229684, 278902, 287105, 300356, 375445, 557804, 574210, 697255, 750890, 976157, 1148420, 1394510, 1501780, 1952314, 2789020, 3904628, 4880785, 9761570, 19523140]

約数ペア:

[(1, 19523140), (2, 9761570), (4, 4880785), (5, 3904628), (7, 2789020), (10, 1952314), (13, 1501780), (14, 1394510), (17, 1148420), (20, 976157), (26, 750890), (28, 697255), (34, 574210), (35, 557804), (52, 375445), (65, 300356), (68, 287105), (70, 278902), (85, 229684), (91, 214540), (119, 164060), (130, 150178), (140, 139451), (170, 114842), (182, 107270), (221, 88340), (238, 82030), (260, 75089), (340, 57421), (364, 53635), (442, 44170), (455, 42908), (476, 41015), (595, 32812), (631, 30940), (884, 22085), (910, 21454), (1105, 17668), (1190, 16406), (1262, 15470), (1547, 12620), (1820, 10727), (2210, 8834), (2380, 8203), (2524, 7735), (3094, 6310), (3155, 6188), (4417, 4420)]