19985434564

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{523}}^1$

素因数の和:809

約数の個数: 96

約数和(自身を含む): 38114334720

約数和(自身を除く): 18128900156

約数列:

[1, 2, 4, 29, 43, 47, 58, 86, 94, 116, 163, 172, 188, 326, 523, 652, 1046, 1247, 1363, 2021, 2092, 2494, 2726, 4042, 4727, 4988, 5452, 7009, 7661, 8084, 9454, 14018, 15167, 15322, 18908, 22489, 24581, 28036, 30334, 30644, 44978, 49162, 58609, 60668, 85249, 89956, 98324, 117218, 170498, 203261, 222169, 234436, 329423, 340996, 406522, 444338, 652181, 658846, 712849, 813044, 888676, 1056983, 1304362, 1317692, 1425698, 2113966, 2472221, 2608724, 2851396, 3665707, 4006703, 4227932, 4944442, 7331414, 8013406, 9553267, 9888884, 14662828, 16026812, 19106534, 30652507, 38213068, 61305014, 106305503, 116194387, 122610028, 172288229, 212611006, 232388774, 344576458, 425222012, 464777548, 689152916, 4996358641, 9992717282, 19985434564]

約数ペア:

[(1, 19985434564), (2, 9992717282), (4, 4996358641), (29, 689152916), (43, 464777548), (47, 425222012), (58, 344576458), (86, 232388774), (94, 212611006), (116, 172288229), (163, 122610028), (172, 116194387), (188, 106305503), (326, 61305014), (523, 38213068), (652, 30652507), (1046, 19106534), (1247, 16026812), (1363, 14662828), (2021, 9888884), (2092, 9553267), (2494, 8013406), (2726, 7331414), (4042, 4944442), (4727, 4227932), (4988, 4006703), (5452, 3665707), (7009, 2851396), (7661, 2608724), (8084, 2472221), (9454, 2113966), (14018, 1425698), (15167, 1317692), (15322, 1304362), (18908, 1056983), (22489, 888676), (24581, 813044), (28036, 712849), (30334, 658846), (30644, 652181), (44978, 444338), (49162, 406522), (58609, 340996), (60668, 329423), (85249, 234436), (89956, 222169), (98324, 203261), (117218, 170498)]