19124775

素因数分解:

$3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{977}}^1$

素因数の和:1025

約数の個数: 48

約数和(自身を含む): 36381600

約数和(自身を除く): 17256825

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 135, 145, 225, 261, 435, 675, 725, 783, 977, 1305, 2175, 2931, 3915, 4885, 6525, 8793, 14655, 19575, 24425, 26379, 28333, 43965, 73275, 84999, 131895, 141665, 219825, 254997, 424995, 659475, 708325, 764991, 1274985, 2124975, 3824955, 6374925, 19124775]

約数ペア:

[(1, 19124775), (3, 6374925), (5, 3824955), (9, 2124975), (15, 1274985), (25, 764991), (27, 708325), (29, 659475), (45, 424995), (75, 254997), (87, 219825), (135, 141665), (145, 131895), (225, 84999), (261, 73275), (435, 43965), (675, 28333), (725, 26379), (783, 24425), (977, 19575), (1305, 14655), (2175, 8793), (2931, 6525), (3915, 4885)]