19272080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:472

約数の個数: 80

約数和(自身を含む): 48806400

約数和(自身を除く): 29534320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 409, 496, 589, 620, 760, 818, 1178, 1240, 1520, 1636, 2045, 2356, 2480, 2945, 3272, 4090, 4712, 5890, 6544, 7771, 8180, 9424, 11780, 12679, 15542, 16360, 23560, 25358, 31084, 32720, 38855, 47120, 50716, 62168, 63395, 77710, 101432, 124336, 126790, 155420, 202864, 240901, 253580, 310840, 481802, 507160, 621680, 963604, 1014320, 1204505, 1927208, 2409010, 3854416, 4818020, 9636040, 19272080]

約数ペア:

[(1, 19272080), (2, 9636040), (4, 4818020), (5, 3854416), (8, 2409010), (10, 1927208), (16, 1204505), (19, 1014320), (20, 963604), (31, 621680), (38, 507160), (40, 481802), (62, 310840), (76, 253580), (80, 240901), (95, 202864), (124, 155420), (152, 126790), (155, 124336), (190, 101432), (248, 77710), (304, 63395), (310, 62168), (380, 50716), (409, 47120), (496, 38855), (589, 32720), (620, 31084), (760, 25358), (818, 23560), (1178, 16360), (1240, 15542), (1520, 12679), (1636, 11780), (2045, 9424), (2356, 8180), (2480, 7771), (2945, 6544), (3272, 5890), (4090, 4712)]