19316178

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{373}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 49547520

約数和(自身を除く): 30231342

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 137, 189, 274, 373, 378, 411, 746, 822, 959, 1119, 1233, 1918, 2238, 2466, 2611, 2877, 3357, 3699, 5222, 5754, 6714, 7398, 7833, 8631, 10071, 15666, 17262, 20142, 23499, 25893, 46998, 51101, 51786, 70497, 102202, 140994, 153303, 306606, 357707, 459909, 715414, 919818, 1073121, 1379727, 2146242, 2759454, 3219363, 6438726, 9658089, 19316178]

約数ペア:

[(1, 19316178), (2, 9658089), (3, 6438726), (6, 3219363), (7, 2759454), (9, 2146242), (14, 1379727), (18, 1073121), (21, 919818), (27, 715414), (42, 459909), (54, 357707), (63, 306606), (126, 153303), (137, 140994), (189, 102202), (274, 70497), (373, 51786), (378, 51101), (411, 46998), (746, 25893), (822, 23499), (959, 20142), (1119, 17262), (1233, 15666), (1918, 10071), (2238, 8631), (2466, 7833), (2611, 7398), (2877, 6714), (3357, 5754), (3699, 5222)]