19312000

素因数分解:

$2^7\times 5^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:117

約数の個数: 128

約数和(自身を含む): 51554880

約数和(自身を除く): 32242880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 71, 80, 85, 100, 125, 128, 136, 142, 160, 170, 200, 250, 272, 284, 320, 340, 355, 400, 425, 500, 544, 568, 640, 680, 710, 800, 850, 1000, 1088, 1136, 1207, 1360, 1420, 1600, 1700, 1775, 2000, 2125, 2176, 2272, 2414, 2720, 2840, 3200, 3400, 3550, 4000, 4250, 4544, 4828, 5440, 5680, 6035, 6800, 7100, 8000, 8500, 8875, 9088, 9656, 10880, 11360, 12070, 13600, 14200, 16000, 17000, 17750, 19312, 22720, 24140, 27200, 28400, 30175, 34000, 35500, 38624, 45440, 48280, 54400, 56800, 60350, 68000, 71000, 77248, 96560, 113600, 120700, 136000, 142000, 150875, 154496, 193120, 227200, 241400, 272000, 284000, 301750, 386240, 482800, 568000, 603500, 772480, 965600, 1136000, 1207000, 1931200, 2414000, 3862400, 4828000, 9656000, 19312000]

約数ペア:

[(1, 19312000), (2, 9656000), (4, 4828000), (5, 3862400), (8, 2414000), (10, 1931200), (16, 1207000), (17, 1136000), (20, 965600), (25, 772480), (32, 603500), (34, 568000), (40, 482800), (50, 386240), (64, 301750), (68, 284000), (71, 272000), (80, 241400), (85, 227200), (100, 193120), (125, 154496), (128, 150875), (136, 142000), (142, 136000), (160, 120700), (170, 113600), (200, 96560), (250, 77248), (272, 71000), (284, 68000), (320, 60350), (340, 56800), (355, 54400), (400, 48280), (425, 45440), (500, 38624), (544, 35500), (568, 34000), (640, 30175), (680, 28400), (710, 27200), (800, 24140), (850, 22720), (1000, 19312), (1088, 17750), (1136, 17000), (1207, 16000), (1360, 14200), (1420, 13600), (1600, 12070), (1700, 11360), (1775, 10880), (2000, 9656), (2125, 9088), (2176, 8875), (2272, 8500), (2414, 8000), (2720, 7100), (2840, 6800), (3200, 6035), (3400, 5680), (3550, 5440), (4000, 4828), (4250, 4544)]