19342760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:882

約数の個数: 64

約数和(自身を含む): 47347200

約数和(自身を除く): 28004440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 821, 1178, 1240, 1642, 2356, 2945, 3284, 4105, 4712, 5890, 6568, 8210, 11780, 15599, 16420, 23560, 25451, 31198, 32840, 50902, 62396, 77995, 101804, 124792, 127255, 155990, 203608, 254510, 311980, 483569, 509020, 623960, 967138, 1018040, 1934276, 2417845, 3868552, 4835690, 9671380, 19342760]

約数ペア:

[(1, 19342760), (2, 9671380), (4, 4835690), (5, 3868552), (8, 2417845), (10, 1934276), (19, 1018040), (20, 967138), (31, 623960), (38, 509020), (40, 483569), (62, 311980), (76, 254510), (95, 203608), (124, 155990), (152, 127255), (155, 124792), (190, 101804), (248, 77995), (310, 62396), (380, 50902), (589, 32840), (620, 31198), (760, 25451), (821, 23560), (1178, 16420), (1240, 15599), (1642, 11780), (2356, 8210), (2945, 6568), (3284, 5890), (4105, 4712)]