19545376

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 96

約数和(自身を含む): 44997120

約数和(自身を除く): 25451744

約数列:

[1, 2, 4, 8, 16, 17, 19, 31, 32, 34, 38, 61, 62, 68, 76, 122, 124, 136, 152, 244, 248, 272, 304, 323, 488, 496, 527, 544, 589, 608, 646, 976, 992, 1037, 1054, 1159, 1178, 1292, 1891, 1952, 2074, 2108, 2318, 2356, 2584, 3782, 4148, 4216, 4636, 4712, 5168, 7564, 8296, 8432, 9272, 9424, 10013, 10336, 15128, 16592, 16864, 18544, 18848, 19703, 20026, 30256, 32147, 33184, 35929, 37088, 39406, 40052, 60512, 64294, 71858, 78812, 80104, 128588, 143716, 157624, 160208, 257176, 287432, 315248, 320416, 514352, 574864, 610793, 630496, 1028704, 1149728, 1221586, 2443172, 4886344, 9772688, 19545376]

約数ペア:

[(1, 19545376), (2, 9772688), (4, 4886344), (8, 2443172), (16, 1221586), (17, 1149728), (19, 1028704), (31, 630496), (32, 610793), (34, 574864), (38, 514352), (61, 320416), (62, 315248), (68, 287432), (76, 257176), (122, 160208), (124, 157624), (136, 143716), (152, 128588), (244, 80104), (248, 78812), (272, 71858), (304, 64294), (323, 60512), (488, 40052), (496, 39406), (527, 37088), (544, 35929), (589, 33184), (608, 32147), (646, 30256), (976, 20026), (992, 19703), (1037, 18848), (1054, 18544), (1159, 16864), (1178, 16592), (1292, 15128), (1891, 10336), (1952, 10013), (2074, 9424), (2108, 9272), (2318, 8432), (2356, 8296), (2584, 7564), (3782, 5168), (4148, 4712), (4216, 4636)]