19021080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 128

約数和(自身を含む): 62596800

約数和(自身を除く): 43575720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 89, 104, 120, 130, 137, 156, 178, 195, 260, 267, 274, 312, 356, 390, 411, 445, 520, 534, 548, 685, 712, 780, 822, 890, 1068, 1096, 1157, 1335, 1370, 1560, 1644, 1780, 1781, 2055, 2136, 2314, 2670, 2740, 3288, 3471, 3560, 3562, 4110, 4628, 5340, 5343, 5480, 5785, 6942, 7124, 8220, 8905, 9256, 10680, 10686, 11570, 12193, 13884, 14248, 16440, 17355, 17810, 21372, 23140, 24386, 26715, 27768, 34710, 35620, 36579, 42744, 46280, 48772, 53430, 60965, 69420, 71240, 73158, 97544, 106860, 121930, 138840, 146316, 158509, 182895, 213720, 243860, 292632, 317018, 365790, 475527, 487720, 634036, 731580, 792545, 951054, 1268072, 1463160, 1585090, 1902108, 2377635, 3170180, 3804216, 4755270, 6340360, 9510540, 19021080]

約数ペア:

[(1, 19021080), (2, 9510540), (3, 6340360), (4, 4755270), (5, 3804216), (6, 3170180), (8, 2377635), (10, 1902108), (12, 1585090), (13, 1463160), (15, 1268072), (20, 951054), (24, 792545), (26, 731580), (30, 634036), (39, 487720), (40, 475527), (52, 365790), (60, 317018), (65, 292632), (78, 243860), (89, 213720), (104, 182895), (120, 158509), (130, 146316), (137, 138840), (156, 121930), (178, 106860), (195, 97544), (260, 73158), (267, 71240), (274, 69420), (312, 60965), (356, 53430), (390, 48772), (411, 46280), (445, 42744), (520, 36579), (534, 35620), (548, 34710), (685, 27768), (712, 26715), (780, 24386), (822, 23140), (890, 21372), (1068, 17810), (1096, 17355), (1157, 16440), (1335, 14248), (1370, 13884), (1560, 12193), (1644, 11570), (1780, 10686), (1781, 10680), (2055, 9256), (2136, 8905), (2314, 8220), (2670, 7124), (2740, 6942), (3288, 5785), (3471, 5480), (3560, 5343), (3562, 5340), (4110, 4628)]