19456228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2$

素因数の和:125

約数の個数: 72

約数和(自身を含む): 42547680

約数和(自身を除く): 23091452

約数列:

[1, 2, 4, 11, 17, 19, 22, 34, 37, 38, 44, 68, 74, 76, 148, 187, 209, 323, 374, 407, 418, 629, 646, 703, 748, 814, 836, 1258, 1292, 1369, 1406, 1628, 2516, 2738, 2812, 3553, 5476, 6919, 7106, 7733, 11951, 13838, 14212, 15059, 15466, 23273, 23902, 26011, 27676, 30118, 30932, 46546, 47804, 52022, 60236, 93092, 104044, 131461, 256003, 262922, 286121, 442187, 512006, 525844, 572242, 884374, 1024012, 1144484, 1768748, 4864057, 9728114, 19456228]

約数ペア:

[(1, 19456228), (2, 9728114), (4, 4864057), (11, 1768748), (17, 1144484), (19, 1024012), (22, 884374), (34, 572242), (37, 525844), (38, 512006), (44, 442187), (68, 286121), (74, 262922), (76, 256003), (148, 131461), (187, 104044), (209, 93092), (323, 60236), (374, 52022), (407, 47804), (418, 46546), (629, 30932), (646, 30118), (703, 27676), (748, 26011), (814, 23902), (836, 23273), (1258, 15466), (1292, 15059), (1369, 14212), (1406, 13838), (1628, 11951), (2516, 7733), (2738, 7106), (2812, 6919), (3553, 5476)]