18394834380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{220403}}^1$

素因数の和:220535

約数の個数: 96

約数和(自身を含む): 55986142464

約数和(自身を除く): 37591308084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 107, 130, 156, 195, 214, 260, 321, 390, 428, 535, 642, 780, 1070, 1284, 1391, 1605, 2140, 2782, 3210, 4173, 5564, 6420, 6955, 8346, 13910, 16692, 20865, 27820, 41730, 83460, 220403, 440806, 661209, 881612, 1102015, 1322418, 2204030, 2644836, 2865239, 3306045, 4408060, 5730478, 6612090, 8595717, 11460956, 13224180, 14326195, 17191434, 23583121, 28652390, 34382868, 42978585, 47166242, 57304780, 70749363, 85957170, 94332484, 117915605, 141498726, 171914340, 235831210, 282997452, 306580573, 353746815, 471662420, 613161146, 707493630, 919741719, 1226322292, 1414987260, 1532902865, 1839483438, 3065805730, 3678966876, 4598708595, 6131611460, 9197417190, 18394834380]

約数ペア:

[(1, 18394834380), (2, 9197417190), (3, 6131611460), (4, 4598708595), (5, 3678966876), (6, 3065805730), (10, 1839483438), (12, 1532902865), (13, 1414987260), (15, 1226322292), (20, 919741719), (26, 707493630), (30, 613161146), (39, 471662420), (52, 353746815), (60, 306580573), (65, 282997452), (78, 235831210), (107, 171914340), (130, 141498726), (156, 117915605), (195, 94332484), (214, 85957170), (260, 70749363), (321, 57304780), (390, 47166242), (428, 42978585), (535, 34382868), (642, 28652390), (780, 23583121), (1070, 17191434), (1284, 14326195), (1391, 13224180), (1605, 11460956), (2140, 8595717), (2782, 6612090), (3210, 5730478), (4173, 4408060), (5564, 3306045), (6420, 2865239), (6955, 2644836), (8346, 2204030), (13910, 1322418), (16692, 1102015), (20865, 881612), (27820, 661209), (41730, 440806), (83460, 220403)]