19245328

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:152

約数の個数: 80

約数和(自身を含む): 42408000

約数和(自身を除く): 23162672

約数列:

[1, 2, 4, 8, 16, 19, 29, 37, 38, 58, 59, 74, 76, 116, 118, 148, 152, 232, 236, 296, 304, 464, 472, 551, 592, 703, 944, 1073, 1102, 1121, 1406, 1711, 2146, 2183, 2204, 2242, 2812, 3422, 4292, 4366, 4408, 4484, 5624, 6844, 8584, 8732, 8816, 8968, 11248, 13688, 17168, 17464, 17936, 20387, 27376, 32509, 34928, 40774, 41477, 63307, 65018, 81548, 82954, 126614, 130036, 163096, 165908, 253228, 260072, 326192, 331816, 506456, 520144, 663632, 1012912, 1202833, 2405666, 4811332, 9622664, 19245328]

約数ペア:

[(1, 19245328), (2, 9622664), (4, 4811332), (8, 2405666), (16, 1202833), (19, 1012912), (29, 663632), (37, 520144), (38, 506456), (58, 331816), (59, 326192), (74, 260072), (76, 253228), (116, 165908), (118, 163096), (148, 130036), (152, 126614), (232, 82954), (236, 81548), (296, 65018), (304, 63307), (464, 41477), (472, 40774), (551, 34928), (592, 32509), (703, 27376), (944, 20387), (1073, 17936), (1102, 17464), (1121, 17168), (1406, 13688), (1711, 11248), (2146, 8968), (2183, 8816), (2204, 8732), (2242, 8584), (2812, 6844), (3422, 5624), (4292, 4484), (4366, 4408)]