18961088

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:565

約数の個数: 56

約数和(自身を含む): 40965120

約数和(自身を除く): 22004032

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 152, 248, 304, 496, 503, 589, 608, 992, 1006, 1178, 1216, 1984, 2012, 2356, 4024, 4712, 8048, 9424, 9557, 15593, 16096, 18848, 19114, 31186, 32192, 37696, 38228, 62372, 76456, 124744, 152912, 249488, 296267, 305824, 498976, 592534, 611648, 997952, 1185068, 2370136, 4740272, 9480544, 18961088]

約数ペア:

[(1, 18961088), (2, 9480544), (4, 4740272), (8, 2370136), (16, 1185068), (19, 997952), (31, 611648), (32, 592534), (38, 498976), (62, 305824), (64, 296267), (76, 249488), (124, 152912), (152, 124744), (248, 76456), (304, 62372), (496, 38228), (503, 37696), (589, 32192), (608, 31186), (992, 19114), (1006, 18848), (1178, 16096), (1216, 15593), (1984, 9557), (2012, 9424), (2356, 8048), (4024, 4712)]