19368800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:133

約数の個数: 144

約数和(自身を含む): 53996544

約数和(自身を除く): 34627744

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 32, 40, 44, 50, 55, 62, 71, 80, 88, 100, 110, 124, 142, 155, 160, 176, 200, 220, 248, 275, 284, 310, 341, 352, 355, 400, 440, 496, 550, 568, 620, 682, 710, 775, 781, 800, 880, 992, 1100, 1136, 1240, 1364, 1420, 1550, 1562, 1705, 1760, 1775, 2200, 2201, 2272, 2480, 2728, 2840, 3100, 3124, 3410, 3550, 3905, 4400, 4402, 4960, 5456, 5680, 6200, 6248, 6820, 7100, 7810, 8525, 8800, 8804, 10912, 11005, 11360, 12400, 12496, 13640, 14200, 15620, 17050, 17608, 19525, 22010, 24211, 24800, 24992, 27280, 28400, 31240, 34100, 35216, 39050, 44020, 48422, 54560, 55025, 56800, 62480, 68200, 70432, 78100, 88040, 96844, 110050, 121055, 124960, 136400, 156200, 176080, 193688, 220100, 242110, 272800, 312400, 352160, 387376, 440200, 484220, 605275, 624800, 774752, 880400, 968440, 1210550, 1760800, 1936880, 2421100, 3873760, 4842200, 9684400, 19368800]

約数ペア:

[(1, 19368800), (2, 9684400), (4, 4842200), (5, 3873760), (8, 2421100), (10, 1936880), (11, 1760800), (16, 1210550), (20, 968440), (22, 880400), (25, 774752), (31, 624800), (32, 605275), (40, 484220), (44, 440200), (50, 387376), (55, 352160), (62, 312400), (71, 272800), (80, 242110), (88, 220100), (100, 193688), (110, 176080), (124, 156200), (142, 136400), (155, 124960), (160, 121055), (176, 110050), (200, 96844), (220, 88040), (248, 78100), (275, 70432), (284, 68200), (310, 62480), (341, 56800), (352, 55025), (355, 54560), (400, 48422), (440, 44020), (496, 39050), (550, 35216), (568, 34100), (620, 31240), (682, 28400), (710, 27280), (775, 24992), (781, 24800), (800, 24211), (880, 22010), (992, 19525), (1100, 17608), (1136, 17050), (1240, 15620), (1364, 14200), (1420, 13640), (1550, 12496), (1562, 12400), (1705, 11360), (1760, 11005), (1775, 10912), (2200, 8804), (2201, 8800), (2272, 8525), (2480, 7810), (2728, 7100), (2840, 6820), (3100, 6248), (3124, 6200), (3410, 5680), (3550, 5456), (3905, 4960), (4400, 4402)]