19118268

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 57788640

約数和(自身を除く): 38670372

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 34, 36, 39, 51, 52, 54, 68, 78, 81, 89, 102, 108, 117, 153, 156, 162, 178, 204, 221, 234, 243, 267, 306, 324, 351, 356, 442, 459, 468, 486, 534, 612, 663, 702, 801, 884, 918, 972, 1053, 1068, 1157, 1326, 1377, 1404, 1513, 1602, 1836, 1989, 2106, 2314, 2403, 2652, 2754, 3026, 3159, 3204, 3471, 3978, 4131, 4212, 4539, 4628, 4806, 5508, 5967, 6052, 6318, 6942, 7209, 7956, 8262, 9078, 9612, 10413, 11934, 12636, 13617, 13884, 14418, 16524, 17901, 18156, 19669, 20826, 21627, 23868, 27234, 28836, 31239, 35802, 39338, 40851, 41652, 43254, 53703, 54468, 59007, 62478, 71604, 78676, 81702, 86508, 93717, 107406, 118014, 122553, 124956, 163404, 177021, 187434, 214812, 236028, 245106, 281151, 354042, 367659, 374868, 490212, 531063, 562302, 708084, 735318, 1062126, 1124604, 1470636, 1593189, 2124252, 3186378, 4779567, 6372756, 9559134, 19118268]

約数ペア:

[(1, 19118268), (2, 9559134), (3, 6372756), (4, 4779567), (6, 3186378), (9, 2124252), (12, 1593189), (13, 1470636), (17, 1124604), (18, 1062126), (26, 735318), (27, 708084), (34, 562302), (36, 531063), (39, 490212), (51, 374868), (52, 367659), (54, 354042), (68, 281151), (78, 245106), (81, 236028), (89, 214812), (102, 187434), (108, 177021), (117, 163404), (153, 124956), (156, 122553), (162, 118014), (178, 107406), (204, 93717), (221, 86508), (234, 81702), (243, 78676), (267, 71604), (306, 62478), (324, 59007), (351, 54468), (356, 53703), (442, 43254), (459, 41652), (468, 40851), (486, 39338), (534, 35802), (612, 31239), (663, 28836), (702, 27234), (801, 23868), (884, 21627), (918, 20826), (972, 19669), (1053, 18156), (1068, 17901), (1157, 16524), (1326, 14418), (1377, 13884), (1404, 13617), (1513, 12636), (1602, 11934), (1836, 10413), (1989, 9612), (2106, 9078), (2314, 8262), (2403, 7956), (2652, 7209), (2754, 6942), (3026, 6318), (3159, 6052), (3204, 5967), (3471, 5508), (3978, 4806), (4131, 4628), (4212, 4539)]