18902436

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 144

約数和(自身を含む): 56996352

約数和(自身を除く): 38093916

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 31, 34, 42, 49, 51, 61, 62, 68, 84, 93, 98, 102, 119, 122, 124, 147, 183, 186, 196, 204, 217, 238, 244, 294, 357, 366, 372, 427, 434, 476, 527, 588, 651, 714, 732, 833, 854, 868, 1037, 1054, 1281, 1302, 1428, 1519, 1581, 1666, 1708, 1891, 2074, 2108, 2499, 2562, 2604, 2989, 3038, 3111, 3162, 3332, 3689, 3782, 4148, 4557, 4998, 5124, 5673, 5978, 6076, 6222, 6324, 7259, 7378, 7564, 8967, 9114, 9996, 11067, 11346, 11956, 12444, 13237, 14518, 14756, 17934, 18228, 21777, 22134, 22692, 25823, 26474, 29036, 32147, 35868, 39711, 43554, 44268, 50813, 51646, 52948, 64294, 77469, 79422, 87108, 92659, 96441, 101626, 103292, 128588, 152439, 154938, 158844, 185318, 192882, 203252, 225029, 277977, 304878, 309876, 370636, 385764, 450058, 555954, 609756, 675087, 900116, 1111908, 1350174, 1575203, 2700348, 3150406, 4725609, 6300812, 9451218, 18902436]

約数ペア:

[(1, 18902436), (2, 9451218), (3, 6300812), (4, 4725609), (6, 3150406), (7, 2700348), (12, 1575203), (14, 1350174), (17, 1111908), (21, 900116), (28, 675087), (31, 609756), (34, 555954), (42, 450058), (49, 385764), (51, 370636), (61, 309876), (62, 304878), (68, 277977), (84, 225029), (93, 203252), (98, 192882), (102, 185318), (119, 158844), (122, 154938), (124, 152439), (147, 128588), (183, 103292), (186, 101626), (196, 96441), (204, 92659), (217, 87108), (238, 79422), (244, 77469), (294, 64294), (357, 52948), (366, 51646), (372, 50813), (427, 44268), (434, 43554), (476, 39711), (527, 35868), (588, 32147), (651, 29036), (714, 26474), (732, 25823), (833, 22692), (854, 22134), (868, 21777), (1037, 18228), (1054, 17934), (1281, 14756), (1302, 14518), (1428, 13237), (1519, 12444), (1581, 11956), (1666, 11346), (1708, 11067), (1891, 9996), (2074, 9114), (2108, 8967), (2499, 7564), (2562, 7378), (2604, 7259), (2989, 6324), (3038, 6222), (3111, 6076), (3162, 5978), (3332, 5673), (3689, 5124), (3782, 4998), (4148, 4557)]