18848512

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 41059872

約数和(自身を除く): 22211360

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 61, 64, 68, 71, 122, 128, 136, 142, 244, 256, 272, 284, 488, 544, 568, 976, 1037, 1088, 1136, 1207, 1952, 2074, 2176, 2272, 2414, 3904, 4148, 4331, 4352, 4544, 4828, 7808, 8296, 8662, 9088, 9656, 15616, 16592, 17324, 18176, 19312, 33184, 34648, 38624, 66368, 69296, 73627, 77248, 132736, 138592, 147254, 154496, 265472, 277184, 294508, 308992, 554368, 589016, 1108736, 1178032, 2356064, 4712128, 9424256, 18848512]

約数ペア:

[(1, 18848512), (2, 9424256), (4, 4712128), (8, 2356064), (16, 1178032), (17, 1108736), (32, 589016), (34, 554368), (61, 308992), (64, 294508), (68, 277184), (71, 265472), (122, 154496), (128, 147254), (136, 138592), (142, 132736), (244, 77248), (256, 73627), (272, 69296), (284, 66368), (488, 38624), (544, 34648), (568, 33184), (976, 19312), (1037, 18176), (1088, 17324), (1136, 16592), (1207, 15616), (1952, 9656), (2074, 9088), (2176, 8662), (2272, 8296), (2414, 7808), (3904, 4828), (4148, 4544), (4331, 4352)]