19395440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:246

約数の個数: 80

約数和(自身を含む): 47996928

約数和(自身を除く): 28601488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 83, 92, 115, 127, 166, 184, 230, 254, 332, 368, 415, 460, 508, 635, 664, 830, 920, 1016, 1270, 1328, 1660, 1840, 1909, 2032, 2540, 2921, 3320, 3818, 5080, 5842, 6640, 7636, 9545, 10160, 10541, 11684, 14605, 15272, 19090, 21082, 23368, 29210, 30544, 38180, 42164, 46736, 52705, 58420, 76360, 84328, 105410, 116840, 152720, 168656, 210820, 233680, 242443, 421640, 484886, 843280, 969772, 1212215, 1939544, 2424430, 3879088, 4848860, 9697720, 19395440]

約数ペア:

[(1, 19395440), (2, 9697720), (4, 4848860), (5, 3879088), (8, 2424430), (10, 1939544), (16, 1212215), (20, 969772), (23, 843280), (40, 484886), (46, 421640), (80, 242443), (83, 233680), (92, 210820), (115, 168656), (127, 152720), (166, 116840), (184, 105410), (230, 84328), (254, 76360), (332, 58420), (368, 52705), (415, 46736), (460, 42164), (508, 38180), (635, 30544), (664, 29210), (830, 23368), (920, 21082), (1016, 19090), (1270, 15272), (1328, 14605), (1660, 11684), (1840, 10541), (1909, 10160), (2032, 9545), (2540, 7636), (2921, 6640), (3320, 5842), (3818, 5080)]