19988029464

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2066587}}^1$

素因数の和:2066640

約数の個数: 64

約数和(自身を含む): 55549885440

約数和(自身を除く): 35561855976

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 186, 248, 312, 372, 403, 744, 806, 1209, 1612, 2418, 3224, 4836, 9672, 2066587, 4133174, 6199761, 8266348, 12399522, 16532696, 24799044, 26865631, 49598088, 53731262, 64064197, 80596893, 107462524, 128128394, 161193786, 192192591, 214925048, 256256788, 322387572, 384385182, 512513576, 644775144, 768770364, 832834561, 1537540728, 1665669122, 2498503683, 3331338244, 4997007366, 6662676488, 9994014732, 19988029464]

約数ペア:

[(1, 19988029464), (2, 9994014732), (3, 6662676488), (4, 4997007366), (6, 3331338244), (8, 2498503683), (12, 1665669122), (13, 1537540728), (24, 832834561), (26, 768770364), (31, 644775144), (39, 512513576), (52, 384385182), (62, 322387572), (78, 256256788), (93, 214925048), (104, 192192591), (124, 161193786), (156, 128128394), (186, 107462524), (248, 80596893), (312, 64064197), (372, 53731262), (403, 49598088), (744, 26865631), (806, 24799044), (1209, 16532696), (1612, 12399522), (2418, 8266348), (3224, 6199761), (4836, 4133174), (9672, 2066587)]