19515430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 21127130

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 59, 62, 97, 110, 118, 155, 194, 295, 310, 341, 485, 590, 649, 682, 970, 1067, 1298, 1705, 1829, 2134, 3007, 3245, 3410, 3658, 5335, 5723, 6014, 6490, 9145, 10670, 11446, 15035, 18290, 20119, 28615, 30070, 33077, 40238, 57230, 62953, 66154, 100595, 125906, 165385, 177413, 201190, 314765, 330770, 354826, 629530, 887065, 1774130, 1951543, 3903086, 9757715, 19515430]

約数ペア:

[(1, 19515430), (2, 9757715), (5, 3903086), (10, 1951543), (11, 1774130), (22, 887065), (31, 629530), (55, 354826), (59, 330770), (62, 314765), (97, 201190), (110, 177413), (118, 165385), (155, 125906), (194, 100595), (295, 66154), (310, 62953), (341, 57230), (485, 40238), (590, 33077), (649, 30070), (682, 28615), (970, 20119), (1067, 18290), (1298, 15035), (1705, 11446), (1829, 10670), (2134, 9145), (3007, 6490), (3245, 6014), (3410, 5723), (3658, 5335)]