19485830

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:83

約数の個数: 128

約数和(自身を含む): 48384000

約数和(自身を除く): 28898170

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 23, 26, 35, 38, 46, 49, 65, 70, 91, 95, 98, 115, 130, 133, 161, 182, 190, 230, 245, 247, 266, 299, 322, 343, 437, 455, 490, 494, 598, 637, 665, 686, 805, 874, 910, 931, 1127, 1235, 1274, 1330, 1495, 1610, 1715, 1729, 1862, 2093, 2185, 2254, 2470, 2990, 3059, 3185, 3430, 3458, 4186, 4370, 4459, 4655, 5635, 5681, 6118, 6370, 6517, 7889, 8645, 8918, 9310, 10465, 11270, 11362, 12103, 13034, 14651, 15295, 15778, 17290, 20930, 21413, 22295, 24206, 28405, 29302, 30590, 32585, 39445, 39767, 42826, 44590, 56810, 60515, 65170, 73255, 78890, 79534, 84721, 102557, 107065, 121030, 146510, 149891, 169442, 198835, 205114, 214130, 278369, 299782, 397670, 423605, 512785, 556738, 749455, 847210, 1025570, 1391845, 1498910, 1948583, 2783690, 3897166, 9742915, 19485830]

約数ペア:

[(1, 19485830), (2, 9742915), (5, 3897166), (7, 2783690), (10, 1948583), (13, 1498910), (14, 1391845), (19, 1025570), (23, 847210), (26, 749455), (35, 556738), (38, 512785), (46, 423605), (49, 397670), (65, 299782), (70, 278369), (91, 214130), (95, 205114), (98, 198835), (115, 169442), (130, 149891), (133, 146510), (161, 121030), (182, 107065), (190, 102557), (230, 84721), (245, 79534), (247, 78890), (266, 73255), (299, 65170), (322, 60515), (343, 56810), (437, 44590), (455, 42826), (490, 39767), (494, 39445), (598, 32585), (637, 30590), (665, 29302), (686, 28405), (805, 24206), (874, 22295), (910, 21413), (931, 20930), (1127, 17290), (1235, 15778), (1274, 15295), (1330, 14651), (1495, 13034), (1610, 12103), (1715, 11362), (1729, 11270), (1862, 10465), (2093, 9310), (2185, 8918), (2254, 8645), (2470, 7889), (2990, 6517), (3059, 6370), (3185, 6118), (3430, 5681), (3458, 5635), (4186, 4655), (4370, 4459)]