19933280

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:196

約数の個数: 96

約数和(自身を含む): 50803200

約数和(自身を除く): 30869920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 79, 80, 83, 95, 152, 158, 160, 166, 190, 304, 316, 332, 380, 395, 415, 608, 632, 664, 760, 790, 830, 1264, 1328, 1501, 1520, 1577, 1580, 1660, 2528, 2656, 3002, 3040, 3154, 3160, 3320, 6004, 6308, 6320, 6557, 6640, 7505, 7885, 12008, 12616, 12640, 13114, 13280, 15010, 15770, 24016, 25232, 26228, 30020, 31540, 32785, 48032, 50464, 52456, 60040, 63080, 65570, 104912, 120080, 124583, 126160, 131140, 209824, 240160, 249166, 252320, 262280, 498332, 524560, 622915, 996664, 1049120, 1245830, 1993328, 2491660, 3986656, 4983320, 9966640, 19933280]

約数ペア:

[(1, 19933280), (2, 9966640), (4, 4983320), (5, 3986656), (8, 2491660), (10, 1993328), (16, 1245830), (19, 1049120), (20, 996664), (32, 622915), (38, 524560), (40, 498332), (76, 262280), (79, 252320), (80, 249166), (83, 240160), (95, 209824), (152, 131140), (158, 126160), (160, 124583), (166, 120080), (190, 104912), (304, 65570), (316, 63080), (332, 60040), (380, 52456), (395, 50464), (415, 48032), (608, 32785), (632, 31540), (664, 30020), (760, 26228), (790, 25232), (830, 24016), (1264, 15770), (1328, 15010), (1501, 13280), (1520, 13114), (1577, 12640), (1580, 12616), (1660, 12008), (2528, 7885), (2656, 7505), (3002, 6640), (3040, 6557), (3154, 6320), (3160, 6308), (3320, 6004)]