18995392

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1$

素因数の和:138

約数の個数: 84

約数和(自身を含む): 43667680

約数和(自身を除く): 24672288

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 79, 104, 136, 158, 208, 221, 272, 289, 316, 416, 442, 544, 578, 632, 832, 884, 1027, 1088, 1156, 1264, 1343, 1768, 2054, 2312, 2528, 2686, 3536, 3757, 4108, 4624, 5056, 5372, 7072, 7514, 8216, 9248, 10744, 14144, 15028, 16432, 17459, 18496, 21488, 22831, 30056, 32864, 34918, 42976, 45662, 60112, 65728, 69836, 85952, 91324, 120224, 139672, 182648, 240448, 279344, 296803, 365296, 558688, 593606, 730592, 1117376, 1187212, 1461184, 2374424, 4748848, 9497696, 18995392]

約数ペア:

[(1, 18995392), (2, 9497696), (4, 4748848), (8, 2374424), (13, 1461184), (16, 1187212), (17, 1117376), (26, 730592), (32, 593606), (34, 558688), (52, 365296), (64, 296803), (68, 279344), (79, 240448), (104, 182648), (136, 139672), (158, 120224), (208, 91324), (221, 85952), (272, 69836), (289, 65728), (316, 60112), (416, 45662), (442, 42976), (544, 34918), (578, 32864), (632, 30056), (832, 22831), (884, 21488), (1027, 18496), (1088, 17459), (1156, 16432), (1264, 15028), (1343, 14144), (1768, 10744), (2054, 9248), (2312, 8216), (2528, 7514), (2686, 7072), (3536, 5372), (3757, 5056), (4108, 4624)]