19928916

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 62375040

約数和(自身を除く): 42446124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 29, 36, 42, 54, 58, 63, 81, 84, 87, 101, 108, 116, 126, 162, 174, 189, 202, 203, 243, 252, 261, 303, 324, 348, 378, 404, 406, 486, 522, 567, 606, 609, 707, 756, 783, 812, 909, 972, 1044, 1134, 1212, 1218, 1414, 1566, 1701, 1818, 1827, 2121, 2268, 2349, 2436, 2727, 2828, 2929, 3132, 3402, 3636, 3654, 4242, 4698, 5454, 5481, 5858, 6363, 6804, 7047, 7308, 8181, 8484, 8787, 9396, 10908, 10962, 11716, 12726, 14094, 16362, 16443, 17574, 19089, 20503, 21924, 24543, 25452, 26361, 28188, 32724, 32886, 35148, 38178, 41006, 49086, 49329, 52722, 57267, 61509, 65772, 76356, 79083, 82012, 98172, 98658, 105444, 114534, 123018, 158166, 171801, 184527, 197316, 229068, 237249, 246036, 316332, 343602, 369054, 474498, 553581, 687204, 711747, 738108, 948996, 1107162, 1423494, 1660743, 2214324, 2846988, 3321486, 4982229, 6642972, 9964458, 19928916]

約数ペア:

[(1, 19928916), (2, 9964458), (3, 6642972), (4, 4982229), (6, 3321486), (7, 2846988), (9, 2214324), (12, 1660743), (14, 1423494), (18, 1107162), (21, 948996), (27, 738108), (28, 711747), (29, 687204), (36, 553581), (42, 474498), (54, 369054), (58, 343602), (63, 316332), (81, 246036), (84, 237249), (87, 229068), (101, 197316), (108, 184527), (116, 171801), (126, 158166), (162, 123018), (174, 114534), (189, 105444), (202, 98658), (203, 98172), (243, 82012), (252, 79083), (261, 76356), (303, 65772), (324, 61509), (348, 57267), (378, 52722), (404, 49329), (406, 49086), (486, 41006), (522, 38178), (567, 35148), (606, 32886), (609, 32724), (707, 28188), (756, 26361), (783, 25452), (812, 24543), (909, 21924), (972, 20503), (1044, 19089), (1134, 17574), (1212, 16443), (1218, 16362), (1414, 14094), (1566, 12726), (1701, 11716), (1818, 10962), (1827, 10908), (2121, 9396), (2268, 8787), (2349, 8484), (2436, 8181), (2727, 7308), (2828, 7047), (2929, 6804), (3132, 6363), (3402, 5858), (3636, 5481), (3654, 5454), (4242, 4698)]