17911552

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 38525312

約数和(自身を除く): 20613760

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 61, 62, 64, 74, 122, 124, 128, 148, 244, 248, 256, 296, 488, 496, 592, 976, 992, 1147, 1184, 1891, 1952, 1984, 2257, 2294, 2368, 3782, 3904, 3968, 4514, 4588, 4736, 7564, 7808, 7936, 9028, 9176, 9472, 15128, 15616, 18056, 18352, 30256, 36112, 36704, 60512, 69967, 72224, 73408, 121024, 139934, 144448, 146816, 242048, 279868, 288896, 293632, 484096, 559736, 577792, 1119472, 2238944, 4477888, 8955776, 17911552]

約数ペア:

[(1, 17911552), (2, 8955776), (4, 4477888), (8, 2238944), (16, 1119472), (31, 577792), (32, 559736), (37, 484096), (61, 293632), (62, 288896), (64, 279868), (74, 242048), (122, 146816), (124, 144448), (128, 139934), (148, 121024), (244, 73408), (248, 72224), (256, 69967), (296, 60512), (488, 36704), (496, 36112), (592, 30256), (976, 18352), (992, 18056), (1147, 15616), (1184, 15128), (1891, 9472), (1952, 9176), (1984, 9028), (2257, 7936), (2294, 7808), (2368, 7564), (3782, 4736), (3904, 4588), (3968, 4514)]