19611904

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 43267392

約数和(自身を除く): 23655488

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 71, 83, 104, 128, 142, 166, 208, 256, 284, 332, 416, 568, 664, 832, 923, 1079, 1136, 1328, 1664, 1846, 2158, 2272, 2656, 3328, 3692, 4316, 4544, 5312, 5893, 7384, 8632, 9088, 10624, 11786, 14768, 17264, 18176, 21248, 23572, 29536, 34528, 47144, 59072, 69056, 76609, 94288, 118144, 138112, 153218, 188576, 236288, 276224, 306436, 377152, 612872, 754304, 1225744, 1508608, 2451488, 4902976, 9805952, 19611904]

約数ペア:

[(1, 19611904), (2, 9805952), (4, 4902976), (8, 2451488), (13, 1508608), (16, 1225744), (26, 754304), (32, 612872), (52, 377152), (64, 306436), (71, 276224), (83, 236288), (104, 188576), (128, 153218), (142, 138112), (166, 118144), (208, 94288), (256, 76609), (284, 69056), (332, 59072), (416, 47144), (568, 34528), (664, 29536), (832, 23572), (923, 21248), (1079, 18176), (1136, 17264), (1328, 14768), (1664, 11786), (1846, 10624), (2158, 9088), (2272, 8632), (2656, 7384), (3328, 5893), (3692, 5312), (4316, 4544)]