19496324080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{413759}}^1$

素因数の和:413822

約数の個数: 80

約数和(自身を含む): 49253990400

約数和(自身を除く): 29757666320

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, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5890, 9424, 11780, 23560, 47120, 413759, 827518, 1655036, 2068795, 3310072, 4137590, 6620144, 7861421, 8275180, 12826529, 15722842, 16550360, 25653058, 31445684, 33100720, 39307105, 51306116, 62891368, 64132645, 78614210, 102612232, 125782736, 128265290, 157228420, 205224464, 243704051, 256530580, 314456840, 487408102, 513061160, 628913680, 974816204, 1026122320, 1218520255, 1949632408, 2437040510, 3899264816, 4874081020, 9748162040, 19496324080]

約数ペア:

[(1, 19496324080), (2, 9748162040), (4, 4874081020), (5, 3899264816), (8, 2437040510), (10, 1949632408), (16, 1218520255), (19, 1026122320), (20, 974816204), (31, 628913680), (38, 513061160), (40, 487408102), (62, 314456840), (76, 256530580), (80, 243704051), (95, 205224464), (124, 157228420), (152, 128265290), (155, 125782736), (190, 102612232), (248, 78614210), (304, 64132645), (310, 62891368), (380, 51306116), (496, 39307105), (589, 33100720), (620, 31445684), (760, 25653058), (1178, 16550360), (1240, 15722842), (1520, 12826529), (2356, 8275180), (2480, 7861421), (2945, 6620144), (4712, 4137590), (5890, 3310072), (9424, 2068795), (11780, 1655036), (23560, 827518), (47120, 413759)]