19142760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1753}}^1$

素因数の和:1787

約数の個数: 128

約数和(自身を含む): 70721280

約数和(自身を除く): 51578520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1753, 1820, 2184, 2730, 3506, 3640, 5259, 5460, 7012, 8765, 10518, 10920, 12271, 14024, 17530, 21036, 22789, 24542, 26295, 35060, 36813, 42072, 45578, 49084, 52590, 61355, 68367, 70120, 73626, 91156, 98168, 105180, 113945, 122710, 136734, 147252, 159523, 182312, 184065, 210360, 227890, 245420, 273468, 294504, 319046, 341835, 368130, 455780, 478569, 490840, 546936, 638092, 683670, 736260, 797615, 911560, 957138, 1276184, 1367340, 1472520, 1595230, 1914276, 2392845, 2734680, 3190460, 3828552, 4785690, 6380920, 9571380, 19142760]

約数ペア:

[(1, 19142760), (2, 9571380), (3, 6380920), (4, 4785690), (5, 3828552), (6, 3190460), (7, 2734680), (8, 2392845), (10, 1914276), (12, 1595230), (13, 1472520), (14, 1367340), (15, 1276184), (20, 957138), (21, 911560), (24, 797615), (26, 736260), (28, 683670), (30, 638092), (35, 546936), (39, 490840), (40, 478569), (42, 455780), (52, 368130), (56, 341835), (60, 319046), (65, 294504), (70, 273468), (78, 245420), (84, 227890), (91, 210360), (104, 184065), (105, 182312), (120, 159523), (130, 147252), (140, 136734), (156, 122710), (168, 113945), (182, 105180), (195, 98168), (210, 91156), (260, 73626), (273, 70120), (280, 68367), (312, 61355), (364, 52590), (390, 49084), (420, 45578), (455, 42072), (520, 36813), (546, 35060), (728, 26295), (780, 24542), (840, 22789), (910, 21036), (1092, 17530), (1365, 14024), (1560, 12271), (1753, 10920), (1820, 10518), (2184, 8765), (2730, 7012), (3506, 5460), (3640, 5259)]