19464320

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1789}}^1$

素因数の和:1825

約数の個数: 64

約数和(自身を含む): 49296600

約数和(自身を除く): 29832280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 1789, 2176, 2720, 3578, 5440, 7156, 8945, 10880, 14312, 17890, 28624, 30413, 35780, 57248, 60826, 71560, 114496, 121652, 143120, 152065, 228992, 243304, 286240, 304130, 486608, 572480, 608260, 973216, 1144960, 1216520, 1946432, 2433040, 3892864, 4866080, 9732160, 19464320]

約数ペア:

[(1, 19464320), (2, 9732160), (4, 4866080), (5, 3892864), (8, 2433040), (10, 1946432), (16, 1216520), (17, 1144960), (20, 973216), (32, 608260), (34, 572480), (40, 486608), (64, 304130), (68, 286240), (80, 243304), (85, 228992), (128, 152065), (136, 143120), (160, 121652), (170, 114496), (272, 71560), (320, 60826), (340, 57248), (544, 35780), (640, 30413), (680, 28624), (1088, 17890), (1360, 14312), (1789, 10880), (2176, 8945), (2720, 7156), (3578, 5440)]