19758648

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 62092800

約数和(自身を除く): 42334152

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 83, 84, 91, 104, 109, 156, 166, 168, 182, 218, 249, 273, 312, 327, 332, 364, 436, 498, 546, 581, 654, 664, 728, 763, 872, 996, 1079, 1092, 1162, 1308, 1417, 1526, 1743, 1992, 2158, 2184, 2289, 2324, 2616, 2834, 3052, 3237, 3486, 4251, 4316, 4578, 4648, 5668, 6104, 6474, 6972, 7553, 8502, 8632, 9047, 9156, 9919, 11336, 12948, 13944, 15106, 17004, 18094, 18312, 19838, 22659, 25896, 27141, 29757, 30212, 34008, 36188, 39676, 45318, 54282, 59514, 60424, 63329, 72376, 79352, 90636, 108564, 117611, 119028, 126658, 181272, 189987, 217128, 235222, 238056, 253316, 352833, 379974, 470444, 506632, 705666, 759948, 823277, 940888, 1411332, 1519896, 1646554, 2469831, 2822664, 3293108, 4939662, 6586216, 9879324, 19758648]

約数ペア:

[(1, 19758648), (2, 9879324), (3, 6586216), (4, 4939662), (6, 3293108), (7, 2822664), (8, 2469831), (12, 1646554), (13, 1519896), (14, 1411332), (21, 940888), (24, 823277), (26, 759948), (28, 705666), (39, 506632), (42, 470444), (52, 379974), (56, 352833), (78, 253316), (83, 238056), (84, 235222), (91, 217128), (104, 189987), (109, 181272), (156, 126658), (166, 119028), (168, 117611), (182, 108564), (218, 90636), (249, 79352), (273, 72376), (312, 63329), (327, 60424), (332, 59514), (364, 54282), (436, 45318), (498, 39676), (546, 36188), (581, 34008), (654, 30212), (664, 29757), (728, 27141), (763, 25896), (872, 22659), (996, 19838), (1079, 18312), (1092, 18094), (1162, 17004), (1308, 15106), (1417, 13944), (1526, 12948), (1743, 11336), (1992, 9919), (2158, 9156), (2184, 9047), (2289, 8632), (2324, 8502), (2616, 7553), (2834, 6972), (3052, 6474), (3237, 6104), (3486, 5668), (4251, 4648), (4316, 4578)]