18851928

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 48806400

約数和(自身を除く): 29954472

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 79, 122, 158, 163, 183, 237, 244, 316, 326, 366, 474, 488, 489, 632, 652, 732, 948, 978, 1304, 1464, 1896, 1956, 3912, 4819, 9638, 9943, 12877, 14457, 19276, 19886, 25754, 28914, 29829, 38552, 38631, 39772, 51508, 57828, 59658, 77262, 79544, 103016, 115656, 119316, 154524, 238632, 309048, 785497, 1570994, 2356491, 3141988, 4712982, 6283976, 9425964, 18851928]

約数ペア:

[(1, 18851928), (2, 9425964), (3, 6283976), (4, 4712982), (6, 3141988), (8, 2356491), (12, 1570994), (24, 785497), (61, 309048), (79, 238632), (122, 154524), (158, 119316), (163, 115656), (183, 103016), (237, 79544), (244, 77262), (316, 59658), (326, 57828), (366, 51508), (474, 39772), (488, 38631), (489, 38552), (632, 29829), (652, 28914), (732, 25754), (948, 19886), (978, 19276), (1304, 14457), (1464, 12877), (1896, 9943), (1956, 9638), (3912, 4819)]