19616512

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 42719600

約数和(自身を除く): 23103088

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 64, 74, 76, 109, 128, 148, 152, 218, 256, 296, 304, 436, 592, 608, 703, 872, 1184, 1216, 1406, 1744, 2071, 2368, 2432, 2812, 3488, 4033, 4142, 4736, 4864, 5624, 6976, 8066, 8284, 9472, 11248, 13952, 16132, 16568, 22496, 27904, 32264, 33136, 44992, 64528, 66272, 76627, 89984, 129056, 132544, 153254, 179968, 258112, 265088, 306508, 516224, 530176, 613016, 1032448, 1226032, 2452064, 4904128, 9808256, 19616512]

約数ペア:

[(1, 19616512), (2, 9808256), (4, 4904128), (8, 2452064), (16, 1226032), (19, 1032448), (32, 613016), (37, 530176), (38, 516224), (64, 306508), (74, 265088), (76, 258112), (109, 179968), (128, 153254), (148, 132544), (152, 129056), (218, 89984), (256, 76627), (296, 66272), (304, 64528), (436, 44992), (592, 33136), (608, 32264), (703, 27904), (872, 22496), (1184, 16568), (1216, 16132), (1406, 13952), (1744, 11248), (2071, 9472), (2368, 8284), (2432, 8066), (2812, 6976), (3488, 5624), (4033, 4864), (4142, 4736)]