19515492

素因数分解:

$2^2\times 3^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:143

約数の個数: 120

約数和(自身を含む): 55292160

約数和(自身を除く): 35776668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 31, 36, 54, 58, 62, 67, 81, 87, 93, 108, 116, 124, 134, 162, 174, 186, 201, 261, 268, 279, 324, 348, 372, 402, 522, 558, 603, 783, 804, 837, 899, 1044, 1116, 1206, 1566, 1674, 1798, 1809, 1943, 2077, 2349, 2412, 2511, 2697, 3132, 3348, 3596, 3618, 3886, 4154, 4698, 5022, 5394, 5427, 5829, 6231, 7236, 7772, 8091, 8308, 9396, 10044, 10788, 10854, 11658, 12462, 16182, 17487, 18693, 21708, 23316, 24273, 24924, 32364, 34974, 37386, 48546, 52461, 56079, 60233, 69948, 72819, 74772, 97092, 104922, 112158, 120466, 145638, 157383, 168237, 180699, 209844, 224316, 240932, 291276, 314766, 336474, 361398, 542097, 629532, 672948, 722796, 1084194, 1626291, 2168388, 3252582, 4878873, 6505164, 9757746, 19515492]

約数ペア:

[(1, 19515492), (2, 9757746), (3, 6505164), (4, 4878873), (6, 3252582), (9, 2168388), (12, 1626291), (18, 1084194), (27, 722796), (29, 672948), (31, 629532), (36, 542097), (54, 361398), (58, 336474), (62, 314766), (67, 291276), (81, 240932), (87, 224316), (93, 209844), (108, 180699), (116, 168237), (124, 157383), (134, 145638), (162, 120466), (174, 112158), (186, 104922), (201, 97092), (261, 74772), (268, 72819), (279, 69948), (324, 60233), (348, 56079), (372, 52461), (402, 48546), (522, 37386), (558, 34974), (603, 32364), (783, 24924), (804, 24273), (837, 23316), (899, 21708), (1044, 18693), (1116, 17487), (1206, 16182), (1566, 12462), (1674, 11658), (1798, 10854), (1809, 10788), (1943, 10044), (2077, 9396), (2349, 8308), (2412, 8091), (2511, 7772), (2697, 7236), (3132, 6231), (3348, 5829), (3596, 5427), (3618, 5394), (3886, 5022), (4154, 4698)]