17820972

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{4231}}^1$

素因数の和:4260

約数の個数: 60

約数和(自身を含む): 50183056

約数和(自身を除く): 32362084

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 4231, 8462, 12693, 16924, 25386, 38079, 50772, 55003, 76158, 110006, 114237, 152316, 165009, 220012, 228474, 330018, 342711, 456948, 495027, 660036, 685422, 990054, 1370844, 1485081, 1980108, 2970162, 4455243, 5940324, 8910486, 17820972]

約数ペア:

[(1, 17820972), (2, 8910486), (3, 5940324), (4, 4455243), (6, 2970162), (9, 1980108), (12, 1485081), (13, 1370844), (18, 990054), (26, 685422), (27, 660036), (36, 495027), (39, 456948), (52, 342711), (54, 330018), (78, 228474), (81, 220012), (108, 165009), (117, 152316), (156, 114237), (162, 110006), (234, 76158), (324, 55003), (351, 50772), (468, 38079), (702, 25386), (1053, 16924), (1404, 12693), (2106, 8462), (4212, 4231)]