19375744

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 42105600

約数和(自身を除く): 22729856

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 257, 304, 496, 514, 589, 608, 992, 1028, 1178, 1216, 1984, 2056, 2356, 2432, 3968, 4112, 4712, 4883, 7967, 8224, 9424, 9766, 15934, 16448, 18848, 19532, 31868, 32896, 37696, 39064, 63736, 75392, 78128, 127472, 151373, 156256, 254944, 302746, 312512, 509888, 605492, 625024, 1019776, 1210984, 2421968, 4843936, 9687872, 19375744]

約数ペア:

[(1, 19375744), (2, 9687872), (4, 4843936), (8, 2421968), (16, 1210984), (19, 1019776), (31, 625024), (32, 605492), (38, 509888), (62, 312512), (64, 302746), (76, 254944), (124, 156256), (128, 151373), (152, 127472), (248, 78128), (257, 75392), (304, 63736), (496, 39064), (514, 37696), (589, 32896), (608, 31868), (992, 19532), (1028, 18848), (1178, 16448), (1216, 15934), (1984, 9766), (2056, 9424), (2356, 8224), (2432, 7967), (3968, 4883), (4112, 4712)]