19673648401

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 24179991264

約数和(自身を除く): 4506342863

約数列:

[1, 11, 19, 29, 43, 137, 209, 319, 361, 473, 551, 817, 841, 1247, 1507, 2603, 3971, 3973, 5891, 6061, 8987, 9251, 10469, 13717, 15523, 15979, 23693, 28633, 36163, 43703, 49457, 64801, 75487, 111929, 115159, 115217, 170753, 170839, 175769, 260623, 303601, 397793, 450167, 544027, 687097, 830357, 1231219, 1267387, 1434253, 1879229, 2126651, 2189123, 3245941, 3339611, 4951837, 4954331, 7558067, 13054843, 15776783, 23393161, 24080353, 35705351, 41593337, 54497641, 61672879, 94132289, 143603273, 457526707, 678401669, 1035455179, 1788513491, 19673648401]

約数ペア:

[(1, 19673648401), (11, 1788513491), (19, 1035455179), (29, 678401669), (43, 457526707), (137, 143603273), (209, 94132289), (319, 61672879), (361, 54497641), (473, 41593337), (551, 35705351), (817, 24080353), (841, 23393161), (1247, 15776783), (1507, 13054843), (2603, 7558067), (3971, 4954331), (3973, 4951837), (5891, 3339611), (6061, 3245941), (8987, 2189123), (9251, 2126651), (10469, 1879229), (13717, 1434253), (15523, 1267387), (15979, 1231219), (23693, 830357), (28633, 687097), (36163, 544027), (43703, 450167), (49457, 397793), (64801, 303601), (75487, 260623), (111929, 175769), (115159, 170839), (115217, 170753)]