19803732

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 52910592

約数和(自身を除く): 33106860

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 47, 52, 73, 74, 78, 94, 111, 141, 146, 148, 156, 188, 219, 222, 282, 292, 438, 444, 481, 564, 611, 876, 949, 962, 1222, 1443, 1739, 1833, 1898, 1924, 2444, 2701, 2847, 2886, 3431, 3478, 3666, 3796, 5217, 5402, 5694, 5772, 6862, 6956, 7332, 8103, 10293, 10434, 10804, 11388, 13724, 16206, 20586, 20868, 22607, 32412, 35113, 41172, 44603, 45214, 67821, 70226, 89206, 90428, 105339, 126947, 133809, 135642, 140452, 178412, 210678, 253894, 267618, 271284, 380841, 421356, 507788, 535236, 761682, 1523364, 1650311, 3300622, 4950933, 6601244, 9901866, 19803732]

約数ペア:

[(1, 19803732), (2, 9901866), (3, 6601244), (4, 4950933), (6, 3300622), (12, 1650311), (13, 1523364), (26, 761682), (37, 535236), (39, 507788), (47, 421356), (52, 380841), (73, 271284), (74, 267618), (78, 253894), (94, 210678), (111, 178412), (141, 140452), (146, 135642), (148, 133809), (156, 126947), (188, 105339), (219, 90428), (222, 89206), (282, 70226), (292, 67821), (438, 45214), (444, 44603), (481, 41172), (564, 35113), (611, 32412), (876, 22607), (949, 20868), (962, 20586), (1222, 16206), (1443, 13724), (1739, 11388), (1833, 10804), (1898, 10434), (1924, 10293), (2444, 8103), (2701, 7332), (2847, 6956), (2886, 6862), (3431, 5772), (3478, 5694), (3666, 5402), (3796, 5217)]