19161472

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 43084800

約数和(自身を除く): 23923328

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 128, 176, 248, 341, 352, 439, 496, 682, 704, 878, 992, 1364, 1408, 1756, 1984, 2728, 3512, 3968, 4829, 5456, 7024, 9658, 10912, 13609, 14048, 19316, 21824, 27218, 28096, 38632, 43648, 54436, 56192, 77264, 108872, 149699, 154528, 217744, 299398, 309056, 435488, 598796, 618112, 870976, 1197592, 1741952, 2395184, 4790368, 9580736, 19161472]

約数ペア:

[(1, 19161472), (2, 9580736), (4, 4790368), (8, 2395184), (11, 1741952), (16, 1197592), (22, 870976), (31, 618112), (32, 598796), (44, 435488), (62, 309056), (64, 299398), (88, 217744), (124, 154528), (128, 149699), (176, 108872), (248, 77264), (341, 56192), (352, 54436), (439, 43648), (496, 38632), (682, 28096), (704, 27218), (878, 21824), (992, 19316), (1364, 14048), (1408, 13609), (1756, 10912), (1984, 9658), (2728, 7024), (3512, 5456), (3968, 4829)]