16819484

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 35750400

約数和(自身を除く): 18930916

約数列:

[1, 2, 4, 11, 19, 22, 31, 38, 44, 59, 62, 76, 118, 121, 124, 209, 236, 242, 341, 418, 484, 589, 649, 682, 836, 1121, 1178, 1298, 1364, 1829, 2242, 2299, 2356, 2596, 3658, 3751, 4484, 4598, 6479, 7139, 7316, 7502, 9196, 12331, 12958, 14278, 15004, 20119, 24662, 25916, 28556, 34751, 40238, 49324, 69502, 71269, 80476, 135641, 139004, 142538, 221309, 271282, 285076, 382261, 442618, 542564, 764522, 885236, 1529044, 4204871, 8409742, 16819484]

約数ペア:

[(1, 16819484), (2, 8409742), (4, 4204871), (11, 1529044), (19, 885236), (22, 764522), (31, 542564), (38, 442618), (44, 382261), (59, 285076), (62, 271282), (76, 221309), (118, 142538), (121, 139004), (124, 135641), (209, 80476), (236, 71269), (242, 69502), (341, 49324), (418, 40238), (484, 34751), (589, 28556), (649, 25916), (682, 24662), (836, 20119), (1121, 15004), (1178, 14278), (1298, 12958), (1364, 12331), (1829, 9196), (2242, 7502), (2299, 7316), (2356, 7139), (2596, 6479), (3658, 4598), (3751, 4484)]