19231760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:288

約数の個数: 80

約数和(自身を含む): 48211200

約数和(自身を除く): 28979440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 79, 80, 85, 136, 158, 170, 179, 272, 316, 340, 358, 395, 632, 680, 716, 790, 895, 1264, 1343, 1360, 1432, 1580, 1790, 2686, 2864, 3043, 3160, 3580, 5372, 6086, 6320, 6715, 7160, 10744, 12172, 13430, 14141, 14320, 15215, 21488, 24344, 26860, 28282, 30430, 48688, 53720, 56564, 60860, 70705, 107440, 113128, 121720, 141410, 226256, 240397, 243440, 282820, 480794, 565640, 961588, 1131280, 1201985, 1923176, 2403970, 3846352, 4807940, 9615880, 19231760]

約数ペア:

[(1, 19231760), (2, 9615880), (4, 4807940), (5, 3846352), (8, 2403970), (10, 1923176), (16, 1201985), (17, 1131280), (20, 961588), (34, 565640), (40, 480794), (68, 282820), (79, 243440), (80, 240397), (85, 226256), (136, 141410), (158, 121720), (170, 113128), (179, 107440), (272, 70705), (316, 60860), (340, 56564), (358, 53720), (395, 48688), (632, 30430), (680, 28282), (716, 26860), (790, 24344), (895, 21488), (1264, 15215), (1343, 14320), (1360, 14141), (1432, 13430), (1580, 12172), (1790, 10744), (2686, 7160), (2864, 6715), (3043, 6320), (3160, 6086), (3580, 5372)]