18381319552

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{20407}}^1$

素因数の和:20679

約数の個数: 64

約数和(自身を含む): 37968675840

約数和(自身を除く): 19587356288

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 227, 248, 454, 496, 908, 992, 1816, 1984, 3632, 3968, 7037, 7264, 14074, 14528, 20407, 28148, 29056, 40814, 56296, 81628, 112592, 163256, 225184, 326512, 450368, 632617, 653024, 900736, 1265234, 1306048, 2530468, 2612096, 4632389, 5060936, 9264778, 10121872, 18529556, 20243744, 37059112, 40487488, 74118224, 80974976, 143604059, 148236448, 287208118, 296472896, 574416236, 592945792, 1148832472, 2297664944, 4595329888, 9190659776, 18381319552]

約数ペア:

[(1, 18381319552), (2, 9190659776), (4, 4595329888), (8, 2297664944), (16, 1148832472), (31, 592945792), (32, 574416236), (62, 296472896), (64, 287208118), (124, 148236448), (128, 143604059), (227, 80974976), (248, 74118224), (454, 40487488), (496, 37059112), (908, 20243744), (992, 18529556), (1816, 10121872), (1984, 9264778), (3632, 5060936), (3968, 4632389), (7037, 2612096), (7264, 2530468), (14074, 1306048), (14528, 1265234), (20407, 900736), (28148, 653024), (29056, 632617), (40814, 450368), (56296, 326512), (81628, 225184), (112592, 163256)]